Which caliphate was Sunni?
The first caliphate, the Rashidun Caliphate, was ruled by the four Rashidun caliphs (Arabic: الخلفاء الراشدون, lit. 'Rightly Guided Caliphs'), Abu Bakr, Umar, Uthman and Ali RadiAllahu 'Anhum, who are considered by Sunni Muslims to have been the most virtuous and pure caliphs.
The first caliphate, the Rashidun Caliphate, was ruled by the four Rashidun caliphs (Arabic: الخلفاء الراشدون, lit. 'Rightly Guided Caliphs'), Abu Bakr, Umar, Uthman and Ali RadiAllahu 'Anhum, who are considered by Sunni Muslims to have been the most virtuous and pure caliphs.