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History of Islam - Wikipedia
Islam - World History Encyclopedia
Islam - Five Pillars, Nation of Islam & Definition | HISTORY
Islam | Religion, Beliefs, Practices, & Facts | Britannica
Islam’s beliefs, practices, and history | Britannica
Islam - Wikipedia
Introduction to Islam (article) | Islam | Khan Academy
BBC - Religions - Islam: Early rise of Islam (632-700)
The rise of Islamic empires and states (article) | Khan Academy
Muhammad and the establishment of Islam | Britannica