Origins of Islam By eberke 632 BCE Muhammad dies after making numerous agreements with tribal leaders across the Arabian Peninsula to pledge allegiance to the Islamic religion 632 BCE Abu Bakr, close associate to Muhammad, chosen as next Caliph (successor) 629 BCE Muhammad regains control of Mecca after armed conflict between the Meccans and Jewish tribes of Medina broke out 622 BCE Muhammad forced to leave Mecca due to his monotheistic preachings. Taken in by citizens of Medina. 610 BCE Prophet Muhammad begins to receive "divine revelations" in Mecca Period: 610 BCE to 632 BCE Islamic Origins https://en.wikipedia.org/wiki/History_of_Islam#Islamic_origins