661 AD - 899 AD (1 jan 661 ano – 1 jan 0 ano)

Descrição:

661 AD-899 AD: Islam begins to spread in Arabia and forms one country: the Muslim Caliphate.
661 AD-899 AD: The Muslim Caliphate and the Roman Empire fights and takes the Roman provinces of Mesopotamia, Assyria, the Parthian Empire and the Kushan Empire.
661 AD-899 AD: The Roman Empire takes back the province of Mesopotamia and the Horn of Africa.

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