Mehmed V Reşâd (Ottoman Turkish: محمد خامس Meḥmed-i ẖâmis, Turkish: Mehmed V Reşad or Reşat Mehmet) (2 November 1844 – 3 July 1918) was the 35th and penultimate Ottoman Sultan. He was the son of Sultan Abdülmecid I. He was succeeded by his half-brother Mehmed VI. His nine-year reign was marked by the cession of the Empire's North African territories and the Dodecanese Islands, including Rhodes, in the Italo-Turkish War, the traumatic loss of almost all of the Empire's European territories west of Constantinople in the First Balkan War, and the entry of the Empire into World War I, which would ultimately lead to the end of the Ottoman Empire.

He was born at Topkapı Palace, Constantinople. Like many other potential heirs to the throne, he was confined for 30 years in the Harems of the palace. For nine of those years he was in solitary confinement. During this time he studied poetry of the old Persian style and was an acclaimed poet. On his ninth birthday he was ceremoniously circumcised in the special Circumcision Room (Sünnet Odasi) of Topkapı Palace.

His reign began on 27 April 1909, but he was largely a figurehead with no real political power, as a consequence of the Young Turk Revolution in 1908 (which restored the Ottoman Constitution and Parliament) and especially the 1913 Ottoman coup d'état, which brought the dictatorial triumvirate of the Three Pashas to power.

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