page_title: Military conquests of Umar's era
hierarchical_section_title: Military conquests of Umar's era
caption_attribution_description: English: Mohammad adil rais-Caliph Umar's empire at its peak 644
context_page_description: Umar was the second Rashidun Caliph and reigned during 634-644. Umar's caliphate is notable for its vast conquests, aided by brilliant field commanders, he was able to incorporate present day Iraq, Iran, Azerbaijan, Armenia, Georgia, Syria, Jordan, Palestine, Lebanon, Egypt, and part of Afghanistan, Turkmenistan and south western Pakistan into the empire of the Muslims. All of these were permanent conquests. The Byzantines lost more than three fourths of their territory and in Persia, the Sassanid empire ceased to exist.
context_section_description: Umar was the second Rashidun Caliph and reigned during 634-644. Umar's caliphate is notable for its vast conquests, aided by brilliant field commanders, he was able to incorporate present day Iraq, Iran, Azerbaijan, Armenia, Georgia, Syria, Jordan, Palestine, Lebanon, Egypt, and part of Afghanistan, Turkmenistan and south western Pakistan into the empire of the Muslims. All of these were permanent conquests. The Byzantines lost more than three fourths of their territory and in Persia, the Sassanid empire ceased to exist.
caption: Caliph Umar's empire at its peak in 644.
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