Final answer:
Islam began in Saudi Arabia in the 7th century CE with the founder of the religion, Muhammad.
Step-by-step explanation:
Islam began in Saudi Arabia. It was in the 7th century CE that the religion was founded by the prophet Muhammad in the city of Mecca, which is located in present-day Saudi Arabia. The revelations Muhammad received from Allah formed the basis of the Islamic religion and its teachings. Over time, Islam spread to various parts of the world, becoming one of the major global religions today.
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