From: World EncyclopediaÂ© World Encyclopedia 2005, originally published by Oxford University Press 2005.
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In 1924, Mecca fell to the forces of Ibn Saud, who later founded the Saudi Arabian kingdom. Much of Mecca's commerce depends on Muslim pilgrims undertaking the Hajj. After World War II, the city's wealth increased through oil revenues. Pop. (2002) 1,541,800.