"Safavid royal" . "Heydar Mirza Safavi"@en . "1576Z"^^ . "Haydar Mirza Safavi (Persian: \u062D\u06CC\u062F\u0631 \u0645\u06CC\u0631\u0632\u0627 \u0635\u0641\u0648\u06CC\u200E\u200E, also spelled Haidar Mirza Safavi) was a Safavid prince, who declared himself as the king (shah) of Iran on 14 May 1576, immediately after his father Tahmasp I had died. He was, however, during the same day killed by the Qizilbash tribes that favored his brother Ismail Mirza Safavi as the successor of their father."@en . . . "1576-05-14Z"^^ . . . "1554-09-18Z"^^ . . "Haydar Mirza Safavi"@en . "1554Z"^^ .