The Ottoman state, which had been founded as a frontier principality (uçbeyfiği), acquired a universalistic empire status with the conquest of İstanbul(1453). From then onwards it underwent radical changes in political, social,military, economic and educational spheres. The architect of this change thatshaped the C1assical stmcture of the state was Mehmed II (the Conqueror).Therefore, he has been seenas its real founder]