For about fifteen hundred years, Saudi Arabia 's history has centered on one major theme: Islam. Muhammad, the founder of Islam, was born around 570 A.D. in the city of Mecca. Early in the 7th century A.D., according to Islamic belief, Muhammad, while meditating in a cave on Mount Hira, was visited by the angel Gabriel. Gabriel called Muhammad to serve as prophet and proclaim the message of God to his people. He began his ministry in his home city of Mecca. At this time, most of the inhabitants of the Arabian Peninsula worshipped many gods, and since Muhammad 's messages taught that there is only one God, he gained many adversaries in Mecca. As a result, he moved to the city of Medina in 622 and had more success converting people here than he did at Mecca. This journey is known to Muslims as the hijrah, and it marks the first year of the Islamic calendar. Muhammad returned to Mecca in 630 A.D., with an army, and conquered the city. By the time Muhammad died in 632, much of the Arabian Peninsula was under Islamic rule.
After Muhammad 's death, Muslims were guided by caliphs, or successors. Throughout the next 1100 years, as various peoples began controlling different parts of the Arabian Peninsula, a drifting away from the teachings of Islam was apparent. Then, in the mid 1700s, Saudi ruler Muhammad ibn Saud, from the Saud dynasty, forged an alliance with a religious reformer named Muhammad ibn Abd al-Wahhab. Ibn Abd al-Wahhab was discontent with the growing disregard for Islamic teachings in Arabia. He taught that the people should return to strict observance and
Bibliography: Toth, Anthony B. "MSN Learning & Research – Saudi Arabia". http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761575422. Peck, Malcolm C. (1999). World Book Millennium 2000 [Computer Program]. Chicago, IL: World Book, Inc.