The Ottoman Empire was one of the Central Powers of World War I, allied with the German Empire, Austria-Hungary, and Bulgaria. It entered the war on 29 October 1914 with a small surprise attack on Rus
Declaration of war by the Ottoman Empire on the Entente
Terek Cossacks under Nikolai Baratov, Russian Caucasus Army
February–April 1915, The Battle of Gallipoli
British troops entering Baghdad March 1917
Caucasus campaign
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The Caucasus campaign, also known as the Caucasus Front, comprised armed conflicts between the Russian Empire and the Ottoman Empire, later including Armenia, Azerbaijan, Georgia, the Mountainous Repu
Ottoman Empire in World War I
…between the warring states. The Ottoman's entrance into the war greatly increased the Triple Entente's military burdens. Russia had to fight alone on the Caucasus Campaign but fought with the United Kingdom on the Persian Campaign. Enver Pasha set off for the Battle of Sarikamish with the intention of recapturing Batum…
Clockwise, from top left: The Battle of Sarikamish, The Erzurum Offensive, The Battle of Bitlis, The Battle of Erzincan
1914, Russian Caucasus Army at Sarikamish
Attack of Russian Army in the Caucasus
Siege of Van, Armenian troops holding a defense line against Ottoman forces in the walled city of Van in May 1915