Period of caliphs of Islam

Abu Bakar 632-634

Hazrat Umar 634-644

Hazrat Usman 644-656

Hazrat Ali 656-661

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Caliphs of islam periond

Abu Bakar 2y 3m

Hazrat Umar 10y 5m 21d.

Hazrat Usman 12y.

Hazrat Ali 4y 9m.

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