17 July 1948 , after a bloodless takeover from his uncle and father-in-law Shaykh Sultan bin Salim al-Qassimi who was exiled to the Sheikhdom of Sharjah . Shaykh Saqr appointed his oldest son, Sheikh Khalid bin Saqr Al Qasimi , as the Crown Prince of Ras Al Khaimah in 1974. Shaikh