According to most scholars the history of modern Egypt dates from the start of Muhammad Ali's rule in 1805 and his launching of Egypt's modernization project that involved building a new army and suggesting a new map for the country, though the definition of Egypt's modern history has varied in accordance with different definitions of modernity. Some scholars date it as far back as 1516 with the Ottomans' defeat of the Mamlūks in 1516–17.