Second Arab Siege of Constantinople in 717–718

Date: August 717–15 August 718. Location: on the Sea of Marmara, modern Istanbul. Forces Engaged: Byzantine: unknown. Commander: Emperor Leo the Isaurian. Muslim: 210,000. Commander: Maslama. Importance: Defeat of Muslim forces in their first serious attempt to overpower the Byzantine Empire led to another seven centuries of Christian power in southeastern Europe. Historical Setting Constantine […]

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