Russian Empire
The Russian Empire, also known as Imperial Russia or simply Russia, was an empire that existed across Eurasia and North America from 1721, following the end of the Great Northern War, until the Republic was proclaimed by the Provisional Government that took power after the February Revolution of 1917.
History of the Ottoman Empire during World War I
The Ottoman entry into World War I began on 29 October 1914 when it launched the Black Sea Raid against Russian ports. Following the attack, Russia and its allies (Britain and France) declared war on the Ottomans in November 1914. The Ottoman Empire started military action came after three months of formal neutrality, but it had signed a secret alliance with the Central Powers in August 1914.