. . "Ottoman Sultan" . . "Amir al-Mu'minin"@en . . "1623Z"^^ . . "1640-02-08Z"^^ . "Murad IV (Ottoman Turkish: \u0645\u0631\u0627\u062F \u0631\u0627\u0628\u0639 Mur\u0101d-\u0131 R\u0101bi\u2018\u200E; July 26/27, 1612 \u2013 February 8, 1640) was the Sultan of the Ottoman Empire from 1623 to 1640, known both for restoring the authority of the state and for the brutality of his methods. Murad IV was born in Constantinople, the son of Sultan Ahmed I (1603\u201317) and the ethnic Greek Valide K\u00F6sem Sultan. Brought to power by a palace conspiracy in 1623, he succeeded his uncle Mustafa I (r. 1617\u201318, 1622\u201323). He was only 11 when he took the throne."@en . "Sultan of the Ottoman Empire"@en . "Murad IV"@en . . "Caliph of Islam"@en . "1612Z"^^ . "Custodian of the Two Holy Mosques"@en . "Murad Iv"@en . "1640Z"^^ . "1640-02-09Z"^^ . "1612-07-26Z"^^ . .