Will you give information about the years of birth and death of the four caliphs? How long did they serve as caliphs?

Dear Brother / Sister,

Hz. Abu Bakr served as the caliph between 632 and 634. He was born two years after the Incident of Elephant, in 571, and died in 634.

Hz. Umar served as the caliph between 634 and 644. He was born thirteen years after the Incident of Elephant, in 582, in Makkah and died in 644.

Hz. Uthman served as the caliph between 644 and 656. He was born six years after the Incident of Elephant, in 575, in Makkah and died in 656.

Hz. Ali served as the caliph between 656 and 661. He was born twenty-three years before the Migration and died in 661.

Questions on Islam