Abdul Hamid II or Abdülhamid II (Ottoman Turkish: عبد الحميد ثانی‎, romanized: Abdü’l-Ḥamîd-i-sânî; Turkish: II. Abdülhamid; 21 September 1842 – 10 February 1918) reigned as the 34th Sultan of the Ottoman Empire - the last Sultan to exert effective control over the fracturing state. He oversaw a period of decline, with rebellions (particularly in the Balkans), and he presided over an unsuccessful war with the Russian Empire (1877–1878) followed by a successful war against the Kingdom of Greece in 1897. Abdulhamid II ruled from 31 August 1876 until his deposition shortly after the 1908 Young Turk Revolution, on 27 April 1909. In accordance with an agreement made with the Republican Young Ottomans, he promulgated the first Ottoman Constitution of 1876 on 23 December 1876, which was a sign