Muslim Caliph

• Abu Bakr Siddiq R.A

  

  (Oct 27, 573 to Aug 23, 634)

• Umar ibn Khattab R.A

  

  (584 to Nov 3, 644 AD)

• Ali Ibn Abu-Talib (R.A)

  

  (September 15, 601 - 29 January 661)

• Usman ibn Affan R.A

  

  (577 to June 17, 656 AD)