Mehmed II ‘the Conqueror’
Mehmed II 30 March 1432 – ), commonly known as Mehmed the Conqueror ‘the Father of Conquest’, an Ottoman sultan who ruled from August 1444 to September 1446, and then later from February 1451. In Mehmed II’s first reign, he defeated the crusade led by John Hunyadi after the Hungarian incursions into his country broke the conditions of the truce Peace of Szeged. When Mehmed II ascended the throne again in 1451 he strengthened the Ottoman navy and made preparations to attack Constantinople.