What is the recognized order of the four Rightly Guided Caliphs?

Comprehensive Creed Review and Assessment

• ʿAlī, ʿUthmān, ʿUmar, Abū Bakr
• ʿUmar, Abū Bakr, ʿUthmān, ʿAlī
• Abū Bakr, ʿUmar, ʿUthmān, ʿAlī
• ʿUthmān, Abū Bakr, ʿAlī, ʿUmar