When Muhammad received his first revelations, in about 610 CE, many of the Arabs had become convinced that Allah, the High God of their pantheon,*8 was identical with the God of the Jews and Christians. Indeed, Christian Arabs often made the hajj pilgrimage to the Kabah, commonly regarded as Allah’s shrine in Mecca, alongside the pagans. One of the first things that Muhammad asked his converts to do was to pray facing Jerusalem, the city of the Jews and Christians whose God they were now going to worship. No Jews or Christians were required—or even invited—to join the new Arab religion unless
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