The Battle of Dilman (April 15, 1915) was a battle during World War I fought at Dilman between the Russian Empire and the Ottoman Empire. Despite having the larger forces, the Ottomans suffered 468 dead, 1,228 wounded, and 370 missing in the first day. Many injured Ottoman soldiers were abandoned on the field of battle. More than half of the Ottoman troops were Kurdish, almost all of whom deserted. By the end of the battle, the Ottomans had 3,500 of its soldiers killed.