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The history of creationism is tied to the history of religions. The term creationism in its broad sense covers a wide range of beliefs and interpretations, and was not in common use before the late 19th century.
Following the spread of Christianity and then the rise of Islam, most people in Europe, the Middle East and other areas of the Islamic world believed that a supreme being had existed and would exist eternally, and that everything else in existence had been created by this supreme being, known variously as God, Yahweh, or Allah. This belief was based on the account of Creation according to Genesis, the Qur'an, and/or other ancient histories.
From the days of the early Christian Church Fathers there were allegorical interpretations of Genesis as well as literal readings. The Protestant Reformation introduced lay people reading the Bible in translation and more literal understandings, leading to a new belief that every biological species had been individually created by God. The Baconian method introduced the empirical scientific method. Natural theology sought evidence in nature supporting Christianity. The development of geology in the 18th and 19th centuries found evidence of an ancient Earth. Catastrophism was favoured in England as supporting Noah's Flood, but was found to be untenable. By 1850 all geologists and many other Christians had adopted various forms of old Earth creationism. In 1844 Lamarck's concept of transmutation of species was popularized by Vestiges of Creation, then in 1859 Charles Darwin's On the Origin of Species provided evidence from an authoritative and respected source, and gradually convinced scientists that evolution occurs. He showed that there were changes within the species of finches on the various islands of the Galapagos group and proposed that macro-evolution from one species to another species might occur by natural selection, but he did not have the proof himself. By 1875 most American naturalists supported theistic evolution, often involving special creation of human beings, and by the 1910s evolution was widely accepted.
In the 1920s the term creationism became particularly associated with a Christian fundamentalist movement opposed to the idea of human evolution, which succeeded in getting teaching of evolution banned in United States public schools. From the mid 1960s young Earth creationism proposed "scientific creationism" using "Flood geology" as support for a purely literal reading of Genesis. After legal judgements that teaching this in public schools contravened constitutional separation of Church and State, it was stripped of biblical references and called creation science, then when this was ruled unacceptable, presented as intelligent design.
Biblical Creationism stems from the ancient Hebrew text of Genesis (see creation according to Genesis), purporting it to be a historical document recording God's creation of the World in six days, and resting on the seventh. According to the genealogies recorded in the Bible, this was calculated to have occurred approximately 4000 BC. With the Jewish diaspora, and the spread of Christianity throughout Europe between the 1st century and the 3rd century, creation beliefs displaced many Greco-Roman naturalistic philosophies such as Atomism and various pagan beliefs.
According to biblically-literal creation beliefs, God created a number of "kinds" of animals that were able to change over time, but those changes may take place only within definite bounds. Essentially, while all dogs have common ancestors, dogs and cats do not share a common ancestor. Approximately 4,500 years ago, God sent a world-wide flood to cover the Earth and wipe out all mankind, with the exception of the animals and eight people preserved in the ark. Before the flood, two of each unclean animal and seven of each clean animal were taken on board the ark. After the flood, those animals were released, and they differentiated and developed over time into the present variety of animals.
93 AD – Josephus completed Antiquities of the Jews, in which he gave an account of creation, the Fall, Antediluvian civilization, the Deluge, the history of Israel, and Jesus based on a synthesis of a number of sources and traditions, including The Bible, ancient Egyptian and Greek writings, and other ancient traditions.
c. 170 – Theophilus of Antioch wrote in defense of creation beliefs and a relatively young Earth:
415 – Saint Augustine wrote The Literal Meaning of Genesis in which he argued that Genesis should be interpreted as God forming the Earth and life from pre-existing matter and allowed for an allegorical interpretation of the first chapter of Genesis. For example: he argues that the six-day structure of creation presented in the book of Genesis represents a logical framework, rather than the passage of time in a physical way. On the other hand, Augustine called for a historical view of the remainder of the history recorded in Genesis, including the creation of Adam and Eve, and the Flood. Apart from his specific views, Augustine recognizes that the interpretation of the creation story is difficult, and remarks that Christians should be willing to change their minds about it as new information comes up. He also warned believers not to rashly interpret things literally that might be allegorical, as it would discredit the faith. 
c. 426 – Augustine completes City of God, in which he wrote:
610 - 632 – Muhammad reports receiving the Qur'an by divine revelation. The Qur'an holds many of the core concepts of creationism, including a 6-day creation, Adam and Eve, Enoch, and Noah's ark, but also provides some details absent from Genesis, including reference to a fourth son of Noah who chose not to enter the ark. Through Islam, creation beliefs and monotheism replace paganism among the Arabs.
The Renaissance starting in the 14th century saw the establishment of protoscience that eventually became modern science. This was a period of great social change. From 1517 the Protestant Reformation brought a new emphasis on lay literacy leading to the Bible being interpreted more literally rather than theologically, and as discoveries of new lands brought knowledge of a huge diversity of life, a new belief developed that each of these biological species had been individually created by God. European colonization of the Americas was driven by people fleeing from religious persecution. The later Enlightenment (beginning in the 17th century) saw improvements in communications and economics (see Industrial Revolution) lead to advances in science and improved education. In the United States, due to the Establishment Clause, no church was given government sanction, so Christianity evolved with relative freedom through a series of Great Awakenings.
Nicolaus Copernicus's idea of Heliocentrism was proposed in the 16th century and established by Galileo Galilei, Johannes Kepler and Newton. This overturned the Greek Ptolemaic system of geocentrism, which had been adopted as Church dogma with the fusion of Christianity with Greek Philosophy. in the first few centuries AD.
Francis Bacon (1561 – 1626) introduced the empirical scientific approach with his Baconian method, and in 1605 emphasised that the works of God in nature teach us how to interpret the word of God in the Bible.
In 1650 the Church of Ireland Archbishop of Armagh, James Ussher, (1581–1656) published a monumental history of the world from creation to 70 A.D. He used the recorded genealogies and ages in the bible to derive what is commonly known as the Ussher chronology. This calculated a date for creation at 4004 BC. The date was widely accepted in the English-speaking world.
The English naturalist John Ray (29 November 1627 - 17 January 1705) is sometimes referred to as the father of English natural history. As well as collecting and classifying plants, he wrote two books entitled The Wisdom of God manifested in the Works of the Creation (1691), and Miscellaneous Discourses concerning the Dissolution and Changes of the World (1692) which included essays on The Primitive Chaos and Creation of the World, The General Deluge, its Causes and Effects, and The Dissolution of the World and Future Conflagrations. In The Wisdom of God he included many of the familiar examples of purposive adaptation and design in nature (the teleological argument), such as the structure of the eye, the hollowness of the bones, the camel's stomach and the hedgehog's armor.
The English divine William Derham (26 November 1657 - 5 April 1735) published his Artificial Clockmaker in 1696 and Physico-Theology in 1713. These books were teleological arguments for the being and attributes of God, and were used by Paley nearly a century later.
The Watchmaker analogy was put by Bernard Nieuwentyt (1730) and referred to several times by Paley. A charge of wholesale plagiarism from this book was brought against Paley in the Athenaeum for 1848, but the famous illustration of the watch was not peculiar to Nieuwentyt, and had been appropriated by many others before Paley.
Carolus Linnaeus (1707–1778) established a system of classification of species by similarity. At the time, the system of classification was seen as the plan of organization used by God in his creation. Later, the theory of evolution applied it as groundwork for the idea of common descent.
James Hutton (1726–1797) is often viewed as the first modern geologist. In 1785 he presented a paper entitled Theory of the Earth to the Royal Society of Edinburgh. In his paper, based on his presumption of uniformitarianism, he explained his theory that the Earth must be much older than had previously been supposed in order to allow enough time for mountains to be eroded and for sediment to form new rocks at the bottom of the sea, which in turn were raised up to become dry land. Those that accepted Hutton's arguments developed various forms of what later became Old Earth creationism as a result.
David Hume (26 April 1711 - 25 August 1776), a Scottish naturalist, empiricist, and skeptic, argued for naturalism and against belief in God. He argued that order stems from both design and natural processes, so it is not necessary to infer a designer when one sees order; that the design argument, even if it worked, would not support a robust or even moral God, that the argument begged the question of the origin of God, and that design was merely a human projection onto the forces of nature.
Erasmus Darwin published his Zoönomia between 1794 and 1796 foreshadowing Lamarck's ideas on evolution, and even suggesting "that all warm-blooded animals have arisen from one living filament, which the great First Cause endued with animality ... possessing the faculty of continuing to improve by its own inherent activity, and of delivering down these improvements by generation to its posterity".
In 1802 William Paley (1743–1805), published Natural Theology in response to naturalists such as Hume, refining the ancient teleological argument (or argument from design) to argue for the existence of God. He argued that life was so intricately designed and interconnected as to be analogous to a watch. Just as when one finds a watch, one reasonable infers that it was designed and constructed by an intelligent being, although one has never seen the designer, when one observes the complexity and intricacy of life, one may reasonably infer that it was designed and constructed by God, although one has never seen God.
Advances in paleontology, led by William Smith (1769–1839) saw the recording of the first fossil records which showed the transmutation of species. Then Jean-Baptiste Lamarck proposed in his Philosophie Zoologique of 1809 a theory of evolution, later known as Lamarckism, by which traits that were "needed" were passed on.
From 1830 to 1833, the geologist and clergyman Sir Charles Lyell released a three volume publication called Principles of Geology which developed Hutton's ideas of uniformitarianism, and in the second volume set out a gradualist variation of creation beliefs in which each species had its "centre of creation" and was designed for the habitat, but would go extinct when the habitat changed. John Herschel supported this gradualist view and wrote to Lyell urging a search for natural laws underlying the "mystery of mysteries" of how species formed.
The official eight Bridgewater Treatises "On the Power, Wisdom and Goodness of God, as manifested in the Creation" included the Reverend William Buckland's 1836 Geology and Mineralogy considered with reference to Natural Theology setting out the logic of day-age, gap theory, and theistic evolution. The computing pioneer Charles Babbage then published his unofficial Ninth Bridgewater Treatise in 1837, putting forward the thesis that God had the omnipotence and foresight to create as a divine legislator, making laws (or programs) which then produced species at the appropriate times, rather than continually interfering with ad hoc miracles each time a new species was required.
By 1836 the anatomist Richard Owen had theories influenced by Johannes Peter Müller that living matter had an "organising energy", a life-force that directed the growth of tissues and also determined the lifespan of the individual and of the species. In the 1850s Owen developed ideas of "archetypes" in the Divine mind producing a sequence of species in "ordained continuous becoming" in which new species appeared at birth.
Philip Henry Gosse, (1810–1888) published in 1857 his book Omphalos: Untying the Geological Knot. The Omphalos hypothesis argued that the World had been created by God recently but with the appearance of old age. This was largely ignored, and some considered it blasphemous because it accused the Creator of deceit. Some young Earth creationists would later incorporate parts of his arguments.
Herbert Spencer, (1820–1903) was an English philosopher who developed ideas about the unifying concept of evolution across the natural and social sciences. Spencer is the first to develop a theory of cultural evolution and is considered by some to be the father of Social Darwinism. It is also he and not Darwin who coined the phrase survival of the fittest. Much of the positivist ideas of progress that dominated the social science philosophy of Spencer and subsequent Social Darwinists has been criticized by present-day sociologists, but such ideas continue to be one of the major critiques made by creationists against evolution in general, even though strict biological evolution does not depend on it nor offer any type of endorsement of it or its derivative philosophies such as eugenics.
In the 1860s, the concept of variation through natural selection first came to be widely understood. Charles Darwin (1809–1882) published The Origin of Species in 1859 suggesting that species had evolved by the process of natural selection. The theory of evolution would later develop through the 20th century; see history of evolutionary thought. Even in his unpublished 1842 "pencil sketch" of his theory Darwin was conscious of explaining commonplace mysteries that "can only be viewed by the Creationist as ultimate and inexplicable facts", and anticipated the satire of Intelligent Falling by comparing Creationist belief in separate creation of every species with belief that "the planets revolve in their present courses not from one law of gravity but from distinct volition of Creator."
Darwin's book caused less controversy than he had feared, as the idea of evolution had been widely popularized in Victorian Britain by the 1844 publication of Vestiges of Creation. However, it posed fundamental questions about the relationship between religion and science. Though Origin did not explicitly deal with human evolution, the jump was one both supporters and opponents of the theory immediately made, and the idea that man was simply an animal (common descent) who had evolved a particular set of characteristics — rather than a spiritual being created by God — continued to be one of the most divisive notions of the 19th century. One of the most famous disputes was the Oxford Debate of 1860, in which T.H. Huxley (1825–1895), Darwin's self-appointed "bulldog", debated evolution with "Soapy Sam" Wilberforce (1805–1873), the Bishop of Oxford. Both sides claimed victory, then the controversy was overshadowed by the even greater theological furore over the publication of Essays and Reviews questioning whether miracles were atheistic, bringing to a head arguments in the Church of England between liberal theologians supporting higher criticism, and conservative Evangelicals.
Others in the scientific élite of the day were not as quick as Huxley to accept naturalistic evolution. Alfred Russel Wallace (1823–1913; with whom Darwin had first published on natural selection in 1858), and the American Asa Gray (1810–1888; with whom Darwin had corresponded before and after publication of The Origin) later both argued for special roles for a creator when applying the theory to humans.
In 1862, the Glaswegian physicist William Thomson (later Lord Kelvin) (1824–1907) published calculations, based on his presumption of uniformitarianism, that fixed the age of the Earth and the solar system at between 20 million and 400 million years, i.e. between ~3,000 and ~70,000 times Ussher's value. This came as a blow to Darwin's anticipated timescale, though the idea of an ancient Earth was generally accepted without much controversy. Darwin and Huxley, while not accepting the timing, said it merely implied faster evolution. It would take further advances in geology and the discovery of radioactivity to recalculate it to the present estimated 4 billion years, or ~700,000 times Ussher's value. A way to measure the age of the universe would be discovered by Edwin Hubble in the 1930s, but due to observational constraints, an accurate measurement of the Hubble constant would not be forthcoming until the late 1990s, giving an age of the universe of approximately 14 billion years or some ~2,000,000 times Ussher's value.
The Swiss-American paleontologist Louis Agassiz (1807–1873) opposed evolution. He believed that there had been a series of catastrophes with divine re-creations, evidence of which could be seen in rock fossils. Though uniformitarianism dominated ideas from the 1840s onwards, Catastrophism would remain a major paradigm in geology until it was replaced by new models which allowed for both cataclysms (such as meteor strikes) and gradualist patterns (such as ice ages) to explain observed geologic phenomena.
In 1878, American Presbyterians held the first annual Niagara Bible Conference, founding the Christian fundamentalist movement which took its name from the "Five Fundamentals" of 1910, and came to be concerned about the implications of evolution for the accuracy of the Bible. But by no means all orthodox Presbyterians were opposed to evolution as a possible method of the Divine procedure. Dr Charles Hodge of Princeton Seminary objected in 1874 to the atheism he considered inplied in the naturalistic explanation but both he and Dr B. B. Warfield were open to its possibility/probability within limits, and most churchmen sought to reconcile Darwinism with Christianity.
Darwin died in 1882, and in 1915 there were rumors that he had repented and accepted God on his deathbed, spread by Lady Elizabeth Hope (1842–1922). The Lady Hope story is almost certainly false, and it is unlikely that she visited Darwin as she claimed.
By now, the various concepts regarding evolution had been established, though ideas and positions continued to develop through the following century. Generally, the advent of evolutionary ideas divided people into two main camps: those who opposed theories of evolution, and those who accepted or promoted such theories.
Those opposed to theories of evolution:
In reality, there is a continuum of creationist viewpoints from young Earth Creationist to evolutionary creationists, with each accepting and rejecting different aspects. How common each of the positions are has varied over time. In the late 1800s, science was making inroads into the religious public, and even many evangelicals subscribed to notions of an old earth and natural selection. By the early 1900s, most religious Americans, including evangelical Christians held beliefs that might be closer to theistic evolution today. Mainstream churches still typically subscribe to this moderate position and tend not to be dogmatic. However, there are an increasing number of fundamentalist Christians in America who dismiss evolution.
While opinion in the scientific community and public opinion in Europe came to almost universally accept evolution, the situation in the United States developed differently from the 1920s. Although the debate may include scientific arguments, the controversy involves deep philosophical and religious beliefs, and reflects the Fundamentalist-Modernist Controversy.
The decades before the start of the 20th century, and the first decades of that century, have been described as the eclipse of Darwinism. Darwin's work had quickly established scientific consensus that evolution occurred, but there was considerable disagreement about the mechanisms involved, and few gave as much significance to natural selection as Darwin himself. Evolution itself was assumed, but the mechanism of how it happened was in considerable debate, and none had anything near to a consensus. Among these theories were neo-Lamarckism (which merged certain aspects of Lamarck's theory of acquired characteristics with certain aspects of Darwinian evolution), orthogenesis ("straight-line" evolution, which talked about evolution towards a specific goal by forces within the organism), and the discontinuous variation of Mendelism and Hugo De Vries' mutation theory. Some of these alternative theories, in particular neo-Lamarckism and orthogenesis, allowed more easily for an interpretation of the intervention of God, which appealed to many scientists at the time. The term Darwinism had covered a wide range of ideas, many of which differed from Darwin's views, but it became associated with the minority view of August Weismann who went further than Darwin by rejecting inheritance of acquired characters and attributing all evolution to natural selection, a view also called neo-Darwinism. By the first decades of the 20th century, the debate had become generally one between continuous-variation biometricians and discontinuous-variety Mendelians. In the 1930s and 1940s, though, they were combined with natural selection into the modern evolutionary synthesis, which soon became the dominant model in the scientific community. This model has also been called Darwinism and neo-Darwinism.
George McCready Price (1870–1963) was important in developing "flood geology", and while he had limited influence at the time when all geologists had long accepted an ancient earth, many of his ideas that a young earth could be deduced from science would be taken up later. Price was a Seventh-day Adventist, and followed one of the founders of the church, Ellen White (1827-1925), in seeing fossils as evidence of the Great Flood. In 1906, Price published Illogical Geology: The Weakest Point in the Evolution Theory in which he offered $1000 "to any one who will, in the face of the facts here presented, show me how to prove that one kind of fossil is older than another."
In 1910, the General Assembly of the Presbyterian Church distilled the principles of Christian fundamentalism into what were known as the "five fundamentals", one of which was the inerrancy of the Scriptures, including the Genesis account of creation. The Fundamentals were published as a series of essays. Its authors accepted ancient earth geology, while holding different ideas about how this was reconciled with biblical accounts. The views expressed on evolution were mixed: two short articles were anti evolution, one anonymous and one by the little known Henry Beach. Their focus was on human evolution, as were attacks made on evolution by Dyson Hague. Major figures were explicitly open to the possibility that God created through a Lamarckian form of evolution: long articles by James Orr and George Frederick Wright expressed this openness, and Benjamin Breckinridge Warfield and A H Strong shared this view.
After the First World War (1914–1918), the teaching of creation and evolution in public education grew as a public controversy. By this time, many texts taught the theory of evolution as scientific fact. Many Christians in the U.S.A. and later Jews and Muslims, expressed concern that in teaching evolution as fact, the State was unconstitutionally infringing on their right to the free exercise of religion, as in their opinion this taught their children that the Bible had been proven false.
For example, the Democratic Party politician William Jennings Bryan (1860–1925) "became convinced that the teaching of Evolution as a fact caused the students to lose faith in the Bible, first, in the story of creation, and later in other doctrines, which underlie the Christian religion."
During the First World War, reports of horrors committed by Germans, who were citizens of one of the most scientifically advanced countries in the World, led Bryan to state "The same science that manufactured poisonous gases to suffocate soldiers is preaching that man has a brute ancestry and eliminating the miraculous and the supernatural from the Bible."
A popular book published in 1917 by Stanford University professor and entomologist Vernon L. Kellogg entitled Headquarters Nights, drew a direct association between German war ideology and Darwinian description of nature as a struggle. Kellogg was a leading authority on evolution of insects, and had published Darwinism Today in 1907. His anti-Darwinian and anti-German rhetoric in Headquarters Nights influenced biologists who tried to play down the negative implications of "survival of the fittest".
Benjamin Kidd's 1918 book Science of Power, claimed that there were historical and philosophical connections between Darwinism and German militarism. This book and others around this time had an effect on many people.
In 1922, William Jennings Bryan published In His Image, in which he argued that Darwinism was both irrational and immoral. On the former point, he pointed to examples such as the eye, which he argued could not be explained by Darwinian evolution. On the latter point, he argued that Darwinism advocated the policy of "scientific breeding" or eugenics, by which the strong were to weed out the weak, a policy which directly contradicts the Christian doctrine of charity to the helpless.
In 1923, fundamentalist preacher and evangelist William Bell Riley, known as "The Grand Old Man of Fundamentalism", founded the Anti-Evolution League of Minnesota which in 1924 became the Anti-Evolution League of America. The organization was behind anti-evolution legislation in Kentucky, where its efforts were supported by William Jennings Bryan.
In 1924, Clarence Darrow defended Nathan Leopold and Richard Loeb on the charge of kidnapping and killing Bobby Franks; his defense included an argument that "this terrible crime was inherent in his organism, and it came from some ancestor".
In the 1920s and 1930s, Harry Rimmer (1890-1952) was one of the most prominent American creationists. Known as the "noisiest evangelist in America", he published many creationist tracts, debated other creationists and was involved in a famous trial known as the "Floyd-Rimmer trial" against the atheist William Floyd.
In 1925, G. K. Chesterton published The Everlasting Man, in which he developed and articulated many creationist ideas and criticisms of the philosophical underpinnings and perceived logical flaws of evolution.
The Scopes Trial of 1925 is perhaps the most famous court case of its kind. The Butler Act had prohibited the teaching of evolution in public schools in Tennessee. Clarence Darrow was the defense counsel, and William Jennings Bryan was the prosecutor. Bryan appealed for assistance to George McCready Price, Johns Hopkins University physician Howard A. Kelly, physicist Louis T. More, and Alfred W. McCann, all of who had written books supporting creationism. Price was away in England, Kelly and More told Bryan they considered themselves more convinced by evolution, and McCann was not interested because of Bryan's stance on prohibition. Nevertheless, a schoolteacher named John T. Scopes was found guilty of teaching evolution and fined, although the case was later dismissed on a technicality.
Following up on the Butler Act, antievolutionary laws were passed in Mississippi in 1926, and then in Arkansas in 1928. However, the 1928 election and the onset of the Depression changed the playing field. Creationists shifted their attention from state legislatures to local school boards, having substantial success. They set themselves to the tasks of "the emasculation of textbooks, the 'purging' of libraries, and above all the, continued hounding of teachers." Discussions of evolution vanished from almost all schoolbooks. By 1941, about one third of American teachers were afraid of being accused of supporting evolution.
In 1929 a book by one of George McCready Price's former students, Harold W. Clark described Price's catastrophism as "creationism" in Back to Creationism. Previously anti-evolutionists had described themselves as being "Christian fundamentalists" "Anti-evolution" or "Anti-false science". The term creationism had previously referred to the creation of souls for each new person, as opposed to traducianism, where souls were said to have been inherited from one's parents.
In 1933, a group of atheists seeking to develop a "new religion" to replace previous, deity-based religions, composed the Humanist Manifesto, which outlined a fifteen-point belief system, the first two points of which provided that "Religious humanists regard the universe as self-existing and not created" and "Humanism believes that man is a part of nature and that he has emerged as a result of a continuous process."  This document exacerbated the ideological tone of the discussion in many circles, as many creationists came to see evolution as a doctrine of the "religion" of atheism.
In 1935, the "Religion and Science Association" was formed by a small group of creationists, led by a Wheaton College professor, to form a "a unified front against the theory of evolution". The were three main schools of creationist thought, represented by Price, Rimmer, and tidal expert William Bell Dawson (1854-1944). However, since Dawson was a proponent of day-age creationism and Rimmer was ardently convinced that gap creationism was correct, the staunch supporters of a literal 6 day creation and 6000 year old earth were incensed, and the organization fell apart.
Price and his supporters retreated to California, and with several doctors working at the College of Medical Evangelists (now Loma Linda University), formed the "Deluge Geology Society". The "Deluge Geology Society" published the Bulletin of Deluge Geology and Related Science from 1941 to 1945. They made secret plans to unveil discoveries of fossils of human footprints that were in rock that was purportedly older than accounted for in evolutionary theory. However, again the organization foundered over disagreements about a 6000 year old earth.
Price was particularly strident in his attacks against fellow creationists. His friend and former student Harold W. Clark had earned a masters degree in biology from the Berkeley, and felt that Price's book New Geology was "entirely out of date and inadequate". Unfortunately, Price responded angrily when he found out, accusing Clark of suffering from "the modern mental disease of universityitis" and of falling in with the "tobacco-smoking, Sabbath-breaking. God-defying" evolutionists. Clark pleaded with Price that he still believed in a 6 day creation and a young earth and a universal flood, but Price responded with a vitriolic publication entitled Theories of Satanic Origin about Clark and his views.
The American George Gaylord Simpson (1902–1984) argued that the paleontological record supported evolution in the 1940s. Some creationists, however, objected to his supposed equation of microevolution and macroevolution, acknowledging the former but denying the latter, and continue to do so to this day.
The Second World War (1939–1945) saw the horrors of the Holocaust. The creationist explanation for the Holocaust is that it had been driven in part by eugenics, or the principle that individuals with "undesirable" genetic characteristics should be removed from the gene pool. Eugenics was based in part on principles of cultural evolutionary theory, though many biologists had long opposed it. Although eugenics was rejected by other nations after the war, the memory of it did not quickly fade, and professional scientists sought to distance themselves from it and other racial ideologies associated with the Nazis.
Fissures within the creationist community, which had always been present, continued to deepen as fundamentalists received advanced training in the sciences. Geochemist J. Laurence Kulp had gone to the evangelical school Wheaton College for his undergraduate degree and was a Plymouth Brother. He obtained a PhD from Princeton before taking a faculty position at Columbia. He felt it was his duty to warn fellow Christians in the evangelical scientific organization the American Scientific Affiliation (ASA) of the problems with Price's claims. Kulp wrote a review of Price's work, in which he stated that "major propositions of the theory are contradicted by established physical and chemical laws" in 1950. This caused substantial consternation among his fellow members of the American Scientific Affiliation (ASA), an affiliation of Christians who are also scientists, causing many to claim that Kulp had been contaminated with "the orthodox geological viewpoint" and this was responsible for his faith in the Bible being badly shaken. Kulp's influence, however, continues today within the American Scientific Affiliation which continues to support old earth creationism.
In the 1950s the United States slid into a Cold War with the communist Soviet Union, its former ally. Communism had as one of its principles atheism (though atheists do not necessarily support communism). Americans divided over the issues of Communism and Atheism, but with the Great Purge, Cultural Revolution and 1956 Hungarian Uprising, many became concerned about the implications of Communism and Atheism. At the same time, the scientific community was making great strides in developing the theory of evolution, which seemed to make belief in God unreasonable under Occam's razor.
The American shock and panic about the Sputnik launch in 1957 lead to the passage of the National Defense Education Act in 1958 to reform American science curricula. This resulted in the Biological Sciences Curriculum Study, also begun in 1958 and with the goal of writing new up-to-date biology textbooks. These new biology textbooks included a discussion of the theory of evolution. Within a few years, half of American schools were using the new BSCS biology textbooks. In addition, the hundredth anniversary of the publication of The Origin of Species was in 1959, and this sparked renewed public interest in evolutionary biology. The creationist fervor of the past seemed like ancient history. A historian at Oklahoma's Northeastern State University, R. Halliburton, even made a prediction in 1964 that "a renaissance of the [creationist] movement is most unlikely".
In spite of this, in 1961 Henry M. Morris (1918–2006) and John C. Whitcomb, Jr (1924- ) published a book entitled The Genesis Flood, in an effort to provide a scientific basis for Young Earth Creationism and Flood geology. Morris had published several books previously, but none had the impact that The Genesis Flood did. Its publication resulted in ten like-minded creationists forming the Creation Research Society in 1963 and the Institute for Creation Research in 1972.
In 1968 the US Supreme Court ruled in Epperson vs. Arkansas that forbidding the teaching of evolution violated the Establishment Clause of the US constitution. This clause lays out the Separation of church and state in the United States and states that "Congress shall make no law respecting an establishment of religion or restricting the free exercise thereof."
In 1970, creationists in California established the Institute for Creation Research, to "meet the need for an organization devoted to research, publication, and teaching in those fields of science particularly relevant to the study of origins." .
In 1973, a famous anti-Young Earth Creationist essay by the evolutionary biologist Theodosius Dobzhansky (1900–1975) was published in the American Biology Teacher entitled Nothing in Biology Makes Sense Except in the Light of Evolution. He argued that evolution was not incompatible with a belief in God nor a belief in the accuracy of scriptures.
In the late 1970s, Answers in Genesis, another creationist research organization, was founded in Australia.
In 1978 the International Council on Biblical Inerrancy developed the Chicago Statement on Biblical Inerrancy which denies "that scientific hypotheses about earth history may properly be used to overturn the teaching of Scripture on creation and the flood."
In 1981 the San Diego based fundamentalist group the Creation Science Research Center claimed, in a trial dubbed the "Monkey Trial Replay", that teaching evolution as the sole theory of development violated the rights of children who believed in biblical creation. In his opening statement for the group lawyer Richard Turner argued:
It is not a showdown at high noon between creation and evolution. It is not religion versus science. We are not trying to sneak the Bible into the classroom, or any other religious doctrine. The real issue here is that of religious freedom under the United States Constitution.
Turner went on to explain that the plaintiffs were seeking protection for the belief that "God created man as man, not as a blob". The Times of 7 March 1981 reported that some were of the opinion that the case was "a signal of things to come, with more and more fundamentalist groups trying to flex their not inconsiderable influence in schools across the country". At the same time Frank D. White, the Governor of Arkansas signed a Bill requiring that creation science and the theory of evolution be given equal weight in schools. Although fifteen states attempted to introduce such Bills around this time, only that in Arkansas made it into law. Following hearings in Little Rock the law was overturned by Judge William Overton early in 1982, just as a similar (and equally unsuccessful) Bills were approved by legislators in Mississippi and Louisiana.
Answers In Creation was established in 2003 to provide answers to young earth creation organizations. They claim that the young earth position is unscientific, and through their website they claim to provide proof against young earth creation science. They are anti-young earth, and promote Christianity by endorsing old earth creationism.
The 1990s saw the rise of intelligent design, an approach which looks for evidence that intelligent intervention was necessary for evolution and in other ways seeks to create doubt about the validity and feasibility of evolution, and to change the scientific method so that supernatural explanations are accepted.
In 1987 in the US Supreme Court again ruled, this time in Edwards v. Aguillard, that requiring the teaching of "creation science" every time evolution was taught illegally advanced a particular religion, although a variety of views on origins could be taught in public schools if shown to have a basis in science. The court gave a clear definition of science, and further ruled that so-called "creation science" was simply creationism wrongly using a contrived dualism to assert that any evidence against evolution would prove Creation. Later that year, drafts of the creation science school textbook Of Pandas and People were revised to change all references to "creation" to relate to "intelligent design".
In 1989 the Foundation for Thought and Ethics published Of Pandas and People by Percival Davis and Dean H. Kenyon, editor Charles Thaxton, with the definition that "Intelligent design means that various forms of life began abruptly through an intelligent agency, with their distinctive features already intact. Fish with fins and scales, birds with feathers, beaks, wings, etc." The publisher got church groups and Christian radio to campaign for state textbook approval, with a petition in Alabama urging that "Intelligent Design" be presented as an alternative to evolution, and their attorney arguing that it did not compel belief in the supernatural and was not a creationist text. After setbacks it focussed efforts "outside the schools" to prompt grass-roots activity from local school boards, teacher's groups and parents.
In 1990, law professor Phillip E. Johnson set out his argument that the ground rules of science as presented at Edwards v. Aguillard unfairly disqualified creationist explanations by excluding the supernatural, and in 1991 he brought out a book entitled Darwin on Trial, challenging the principles of naturalism and uniformitarianism in contemporary scientific philosophy.
In March 1992 a symposium at Southern Methodist University in Dallas provided the public debut for the small group including Phillip Johnson, Steven Meyer, William Dembski and Michael Behe, initiating the wedge strategy that Johnson claims to have worked out by 1991.
In 1994 Answers in Genesis expanded from Australia and New Zealand to the United States.  It subsequently expanded into the United Kingdom, Canada, and South Africa, but remains a small movement in the latter three nations.
1994 in Peloza v. Capistrano School District another court case was decided against a teacher who claimed that his First Amendment right to free exercise of religion was violated by the school district's requirement to teach evolution.
In 1996, the Discovery Institute's Center for Science and Culture (CSC), formerly known as the Center for Renewal of Science and Culture, was founded to promote Intelligent design, and entered public discourse with the publication of Darwin's Black Box by Michael Behe, arguing for evidence of Irreducible complexity. Critics claimed that this was a thinly-veiled attempt to promote creationism, particularly in light of Edwards v. Aguillard. The Discovery Institute rejects the term creationism which it defines narrowly as meaning young earth creationism, though in court intelligent design was found to be creationism.
In 1996, Pope John Paul II stated that "new findings lead us toward the recognition of evolution as more than a hypothesis", but, referring to previous papal writings, concluded that "if the origin of the human body comes through living matter which existed previously, the spiritual soul is created directly by God." 
In October 1999 the Michael Polanyi Center was founded in the science faculty of Baylor University, a Baptist college, to study intelligent design. A year later was disbanded amidst faculty complaints that the center had been established without consulting them, and would cause the school to be associated with pseudoscience.
In December 2001, Dembski established the International Society for Complexity, Information and Design.
In 2004 Ohio adopted education standards sympathetic to intelligent design promoted by the Discovery Institute. In February 2006 the Ohio Board of Education voted to drop the Discovery Institute's "Critical Analysis of Evolution" intelligent design lesson plan after the 2005 ruling against intelligent design in Kitzmiller v. Dover and revelations that the lesson plan was adopted despite warnings from the Ohio Department of Education, whose experts described it as wrong and misleading.
In May 2005, the Kansas school board held the Kansas evolution hearings. The court-style hearings were promoted by the Discovery Institute and attended by its Fellows and other intelligent design advocates but not by mainstream scientists, who accused it of being a kangaroo court. The result of the hearings was the adoption by the Republican-dominated board of new science standards that relied upon the Discovery Institute's Critical Analysis of Evolution lesson plan employing the institute's Teach the Controversy approach, despite these having been rejected by the State Board Science Hearing Committee. With the 2006 ouster of the majority of the conservative board members, the Kansas State Board of Education approved a new curriculum which removed any reference to Intelligent Design as part of science in February 2007.
In 2005, the U.S. District Court for the Middle District of Pennsylvania ruled on the case of Kitzmiller v. Dover Area School District that intelligent design was religious in nature, a form of creationism, not scientific and thus violated the First Amendment to the United States Constitution. The ruling barred the teaching of intelligent design in public school science classrooms for that district, but the 'Dover trial' as it came to be known, has had far-reaching effects.
Around the same time as the Kiztmiller ruling, many state legislators were considering bills promoted by the Discovery Institute supporting the teaching of intelligent design. Most were rejected in the light of the ruling in Dover trial out of what has been called the "Dover-effect."
In recent times, the controversy has become more prominent in Islamic countries. Currently, in Egypt evolution is taught in schools but Saudi Arabia and Sudan have both banned the teaching of evolution in schools. Creation science has also been heavily promoted in Turkey and in immigrant communities in Western Europe, primarily by Harun Yahya.
Europeans have often regarded the creation-evolution controversy as an American matter. However, in recent years the conflict has become an issue in a variety of countries including Germany, Great Britain, Italy, the Netherlands, Poland and Serbia.
On 17 September 2007 the Committee on Culture, Science and Education of the Parliamentary Assembly of the Council of Europe issued a report on the attempt by American inspired creationists to promote creationism in European schools. It concludes "If we are not careful, creationism could become a threat to human rights which are a key concern of the Council of Europe.... The war on the theory of evolution and on its proponents most often originates in forms of religious extremism which are closely allied to extreme right-wing political movements... some advocates of creationism are out to replace democracy by theocracy."
In Romania, in 2002, the Ministry of Education approved the use of a biology book endorsing creationism, entitled Divine Mastery and Light in the Biosphere, in public high schools. Following a protest of the Romanian Humanist Association the Romanian Ministry of Education replied that the book is not a "textbook" but merely an "accessory". The president of the Association labeled the reply as "disappointing" since, whether a textbook or an accessory, the book remains available for usage in schools. Reports indicate that at least one teacher, in Oradea did use the book.
With declining church attendance, there has been some growth in fundamentalist and pentecostal Christian denominations. Under the former Queensland state government of Joh Bjelke-Petersen, in 1980 lobbying was so successful that Queensland allowed the teaching of creationism as science to school children. Since then Professor Ian Plimer, a prominent anti-creationist geologist, has been attacked by creationists at home. Public lectures have been given in rented rooms at Universities, by visiting American speakers, and speakers with doctorates purchased by mail from Florida sites. A court case taken by Plimer against prominent creationists found "that the creationists had stolen the work of others for financial profit, that the creationists told lies under oath and that the creationists were engaged in fraud." The debate was featured on the science television program Quantum.