| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century BC – 1st century – 2nd century |
| Decades: | 20s BC 10s BC 0s BC – 0s – 10s 20s 30s |
| Years: | 3 BC 2 BC 1 BC – 1 AD – 2 AD 3 AD 4 AD |
| 1 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1 I |
| Ab urbe condita | 754 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1843 – -1842 |
| Bengali calendar | -592 |
| Berber calendar | 951 |
| Buddhist calendar | 545 |
| Burmese calendar | -637 |
| Byzantine calendar | 5509 – 5510 |
| Chinese calendar | 庚申年 (2637/2697) — to —
辛酉年(2638/2698) |
| Coptic calendar | -283 – -282 |
| Ethiopian calendar | -7 – -6 |
| Hebrew calendar | 3761 – 3762 |
| Hindu calendars | |
| - Vikram Samvat | 56 – 57 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3102 – 3103 |
| Holocene calendar | 10001 |
| Iranian calendar | 621 BP – 620 BP |
| Islamic calendar | 640 BH – 639 BH |
| Japanese calendar | |
| Korean calendar | 2334 |
| Thai solar calendar | 544 |
Year 1 (I) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. The preceding year is 1 BC in the widely used Gregorian calendar or in its predecessor, the Julian calendar, neither of which has a "year zero".
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| Unicode name | DIGIT ONE |
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| Basic Latin | U+0031 |
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Tenth century “West Arabic” variation of
the Nepali form of Hindu-Arabic numerals (compare Devanagari script
१ (1), “‘éka’”)), possibly influenced by Roman
numeral Ⅰ.
1
Other representations of 1:
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![]() The digit ‘1’ in a digital seven segment display. |
1 (plural 1s)
1 (not comparable)
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Positive |
Superlative |
| Centuries: | 1st century BC · 1st century · 2nd century |
| Decades: | 20s BC 10s BC 0s BC 0s 10s 20s 30s |
| Years: | 3 BC 2 BC 1 BC 1 2 3 4 |
| 1 in other calendars | |
| Gregorian calendar | 1 |
| Ab urbe condita | 754 |
| Chinese calendar | 2637 – 2638 |
| Hebrew calendar | 3760 – 3761 |
| Hindu calendars – Vikram Samvat – Shaka Samvat – Kali Yuga | 56 – 57 -77 – -76 3102 – 3103 |
| Iranian calendar | -621 – -620 |
| Islamic calendar | -579 – -578 |
| Runic calendar | 251 |
1 (I) was a common year starting on Wednesday of the Julian calendar. It was the first year of the 1st millennium.
It is one of only seven years to use just one Roman numeral. The seven are 1 AD (I), 5 AD (V), 10 AD (X), 50 AD (L), 100 AD (C), 500 AD (D), and 1000 AD (M).
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