Mediterranean naval engagements during World War I: Wikis

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Battle of the Mediterranean
Part of Naval warfare of World War I
Mediterranean Relief.jpg
The Mediterranean Sea and surrounding regions.
Date August, 1914-October, 1918.
Location Mediterranean Sea, Adriatic Sea
Result Inconclusive
Belligerents
Italy Regia Marina
France French Navy
United Kingdom Royal Navy
US Naval Jack 48 stars.svg United States Navy
Greece Royal Hellenic Navy
Empire of Japan Imperial Japanese Navy
Russia Imperial Russian Navy
Austria–Hungary Austro-Hungarian Navy

German Empire Kaiserliche Marine
Ottoman Empire Ottoman Navy

Some limited sea combat took place between the Central Powers' navies of Austria-Hungary, Germany and the Ottoman Empire and the Allied navies of Italy, France, Greece, Japan and the British Empire.

Contents

Austro-Hungarian Imperial and Royal Navy

Austria-Hungary was a medium-sized naval power in 1914. With a fairly small coastline (from Trieste in actual Italy to Cattaro in actual Montenegro) and no colonies, Austria-Hungary was much more of a land power than a sea power.

Indeed, the Austro-Hungarian Navy included four powerful Tegetthoff class battleships and a number of submarines. In addition, the Germans managed to send some U-boats to the Mediterranean which operated from Austrian naval bases, initially under the Austrian navy flag, later under the German navy flag.

Italian "Regia Marina"

The Kingdom of Italy during World War I had six Dreadnought battleships (Dante Alighieri as a prototype, Giulio Cesare, Conte di Cavour and Leonardo da Vinci of Cavour class, Andrea Doria and Caio Duilio of Doria Class).

RN Giulio Cesare, Otranto 1915

During the war, the Italian Royal Navy spent her major efforts in the Adriatic Sea, fighting the Austro-Hungarian Navy.[1]

The resulting so called Adriatic Campaign of World War I consisted mainly of Austro-Hungarian coastal bombardments of Italy's Adriatic coast, wider-ranging German/Hungarian submarine warfare into the Adriatic and the Mediterranean, and Italian use of new weapons (mainly MAS and human torpedo) that were successful in the sinking of two Austrian battleships.

For most of the war the Italian and Austro-Hungarian navies each kept a relatively passive watch over their counterparts. The Italian fleet lost the pre-dreadnought battleship Benedetto Brin at Brindisi (27 September 1915) and the dreadnought Leonardo da Vinci at Taranto (2 August 1916) due to magazine explosion (although some historians argue of Austrian sabotage). In the last part of the war, the Regia Marina developed new, insidious weapons: the MAS boats, that sank the Austro-Hungarian battleship SMS Szent István in the Adriatic Sea on 10 June 1918; and an early type of human torpedo (Mignatta) entered the harbour of Pula and sank the Austro-Hungarian flagship Viribus Unitis on 1 November 1918.

Campaigns

In the Mediterranean Sea, the war began with most of the large, but elderly French fleet deployed on escort duty to protect convoys across the Mediterranean from the smaller, but newer Austrian fleet and cover against possible Italian entry into the war on Austria's side. Several British ships were also sent to Malta to reinforce the British Mediterranean Fleet. Germany also had a small Mediterranean fleet (based at Constantinople, Turkey) and at the commencement of hostilities, the powerful battlecruiser Goeben and the light cruiser Breslau, were patrolling the western Mediterranean. The German Mediterranean fleet did not find the French convoys, so proceeded to bombard the French cities of Bizerte and Bone in modern-day Tunisia. Pursued by superior French and British forces, the Goeben and Breslau reached Turkey, where they were nominally transferred to the Ottoman Navy when the Ottoman Empire entered the war on the Central Powers side, and fought many battles against the Russian Black Sea Fleet until Russia's surrender in 1917.

After the Kingdom of Italy entered the war on the Allied side in 1915, the strategy of the Allies was to blockade the Adriatic and monitor the movements of the Austrian fleet. In general, this strategy was successful but the Germans and the Austrians were able to send submarines out into the Mediterranean where they did some damage. Total Allied warship losses to Austrian and German submarines were: two 2nd-line battleships, two armored cruisers, five destroyers, and two submarines (in addition to many damaged navy ships and sunk freighters).[2] The primary sea bases for the Austrian and German fleet in the Adriatic were Pola (in Istria) and Cattaro (in southern Dalmatia).

On the Allied side, their navies were able to sail relatively freely throughout the Mediterrean by keeping the Central Powers' surface units bottled up in either the Adriatic or at Constantinople. This freedom of movement was tremendously important for the Allies, as they were not only able to keep open their supply routes (to Egypt for example), but to also evacuate the Serbian Army from capture and even launch (and supply) amphibious invasions at Gallipoli in 1915 and Salonika in 1916.

In 1915, the major fleet action was the Allied attempt to knock the Ottoman Empire out of the war by an attack on Constantinople. The Allies needed to pass the Dardanelles strait in order to supply Russia. The Battle of Gallipoli lasted for most of the year but was unsuccessful. An initial naval assault was deterred by mines and coastal fortresses, and the subsequent land assault was also defeated, but with heavy casualties on both sides.

After Gallipoli, the only significant naval battle occurred on May 15, 1917 when three Austrian cruisers under Captain Miklós Horthy staged a series of pin-prick raids on Italian and British transports near Valona, Albania who were evacuating the Serbian Army from being overrun. The raid was a partial success but the raiders were nearly destroyed by a shell hit which knocked out an engine on the Austrian cruiser SMS Novara. With heavier Allied forces closing in, the Austrians were routed back to Pola. The Austrians then decided to raid patrol boats guarding the Otranto Straits between Italy, Corfu and Albania. For further details see the battle of the Otranto Barrage.

On August 2, 1916, the Italian dreadnought Leonardo da Vinci exploded at Taranto, killing 249 of its crew. Reminiscent of the USS Maine, the event was widely reported in the Italian press, which immediately blamed Austrian or German saboteurs, something the Central Powers did nothing to disavow. The cause of the explosion has never been verified. It had considerable effect as a propaganda tool for both sides.

In December 1917 Luigi Rizzo with his MAS sank the Austro-Hungarian Pre-dreadnought battleship SMS Wien, that was at anchor inside the defences of Trieste harbour.[3]

Italian sinkings of two Austrian battleships

SMS Szent István was one of the four Austro-Hungarian dreadnoughts. She was sunk during the last year of War, after a torpedo attack by Italian Luigi Rizzo 's MAS

In 1918, two of the Austrian dreadnoughts were sunk.

One sank during a war-battle near the island of Premuda in Dalmatia. This was the SMS Szent István, which was sunk during another sortie (June 10) against the Allied blockade by fast moving Italian motor torpedo boats of Luigi Rizzo.

The second, the SMS Viribus Unitis, was sunk by a new weapon created and used by engineer and naval officer Raffaele Rossetti: the human torpedo called "Mignatta". At the end of the war there was a mutiny in the Austrian Navy and Horthy was ordered to surrender the entire Austrian fleet to the National Council of Slovenes, Croats and Serbs. Rossetti did not know of this decision and did his well planned attack the same day.[4] So, another Austro-Hungarian Dreadnought sank. The explosion went off under the ship on November 1 (just after the Austro-Hungarian government collapsed) and the Slav National Council made no efforts to restore the hulk, since Italy occupied the region only a few days later.

Secundary campaigns and interventions

Allied fleets also played a role in coercing the Greek government to join the Allies and later supply the campaigns in Palestine and Macedonia. Although Germany was able to gain control of the Black Sea and part of the Russian fleet after the collapse of the Russian Empire, they were never able to break out into the Aegean. The German/Turkish fleet tried in 1918, but hit a minefield; the Breslau was sunk and the Goeben almost followed that fate, but the captain was able to run the ship aground and beach it before capsizing. The Goeben was not repaired until after the war.

Allied fleets occupied Constantinople briefly after the Armistice of Mudros, until the new Turkish Republic under Mustafa Kemal took back control of the city in 1923.

Allied ships did continue to intervene in Russia after the war ended, bringing expeditionary forces and supplies via the Mediterranean to the White armies in southern Russia.

Japan, an ally of Great Britain, sent a total of 14 destroyers to the Mediterranean starting in April 1917. According to Cyril Falls ("The Great War" p. 295), the Japanese ships were very effective in patrol and anti-submarine activity. According to www.naval-history.net, which provides info about all Japanese and Austro-Hungarian navy units involved in the war, Austro-Hungarian navy lost 9 submarines during the war: 5 sunk by Italian navy (U13, U10, U16, U20, U23), 1 by Italian and French units (U30), 1 by British units (U3), none by Japanese navy, which lost one destroyer (Sakaki, torpedoed by Austrian U.27).

Notes

  1. ^ Italian Navy in WWI
  2. ^ Georg Ludwig von Trapp, of The Sound of Music fame, was a captain in the Austro-Hungarian navy, commanding the Austrian submarine SM U-5 during the war, which sank the French armoured cruiser Léon Gambetta
  3. ^ NY Times article on Luigi Rizzo sinking of the "Wien" and other attacks
  4. ^ Assault on the Viribus Unitis

Sources

  • Halpern, Paul G. (1995). A Naval History of World War I. Routledge. ISBN 1857284984.

External links

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