The Central Powers, also known as the Central Empires, were one of the two main coalitions that fought in World War I (1914–1918). It consisted of the German Empire, Austria-Hungary, the Ottoman Empire, and Bulgaria; this was also known as the Quadruple Alliance.
Leaders of the Central Powers (left to right): Kaiser Wilhelm II of Germany; Kaiser and King Franz Joseph of Austria-Hungary; Sultan Mehmed V of the Ottoman Empire; Tsar Ferdinand I of Bulgaria The caption reads: "Vereinte Kräfte führen zum Ziel" "United Powers Lead to the Goal"
German soldiers on the battlefield in August 1914 on the Western Front, shortly after the outbreak of war
German cavalry entering Warsaw in 1915
German battlecruiser SMS Seydlitz heavily damaged after the Battle of Jutland
The Ottoman Empire, historically and colloquially known as the Turkish Empire, was an imperial realm that spanned much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Central Europe between the early 16th and early 18th centuries.
The Battle of Nicopolis in 1396, as depicted in an Ottoman miniature from 1523
Sultan Mehmed the Conqueror's entry into Constantinople; painting by Fausto Zonaro (1854–1929)
Ottoman miniature of the Battle of Mohács in 1526