Mohammad Reza Pahlavi was the last Shah of Iran, his reign lasted from 1941 until his overthrow in 1979. He was educated in Switzerland and was familiar with the western ideas. In 1941, Britain and USSR occupied Iran and forced Reza Shah the Great to resign in favor of his son. Later the young Shah became the most important ally to the West in the Middle East.With Iran's great oil wealth, the Shah became the pre-eminent leader of the Middle East, and Guardian of the Persian Gulf. He abolished the multi-party system of government such that he could rule through a one-party regime in autocratic fashion. He made major changes to curb certain ancient elite factions by breaking up all large and middle-sized estates for the benefit of more than six million small farmers. In what was called 'the White Revolution', he took a number of populist measures, including extending suffrage to women, to favor the people. He instituted exams for Islamic theologians to become established priests ("Mullahs"), which were widely unpopular and broke centuries old religious traditions.His policies led to strong economic growth during the 1960s and 1970s but at the same time, opposition to his autocratic rule increased. On January 18, 1979, he and his family left Iran after over a year of uprising as he didn't want for a civil war to break out in the country. Following the Shah's departure, conservative Muslims led by Ayatollah Khomeini who had returned from exile, staged a revolution. And abolished the monarchy and unfortunately established an Islamic Republic that ruined the country and led to the pointless eight year Iran-Iraq war in which both countries suffered an incredible amount of unnecessary losses.At the same time, The Shah's cancer had worsened and after over a year of exile, in which traveling from country to country seeking what he hoped to be a temporary residence. He was finally welcomed by President Anwar Sadat of Egypt, and remained there until his death on June 27, 1980. He is interred at Al-Refai Mosque in Egypt.