On This Day in History (June 8, 632 A.D.) 632: Founder of Islam dies In Medina, located in present-day Saudi Arabia, Muhammad, one of the most influential religious and political leaders in history, dies in the arms of Aishah, his third and favorite wife. Born in Mecca of humble origins, Muhammad married a wealthy widow at 25 years old and lived the next 15 years as an unremarkable merchant. In 610, in a cave in Mount Hira north of Mecca, he had a vision in which he heard God, speaking through the angel Gabriel, command him to become the Arab...