Twelve revivers of Caliphate

The term Twelve reviver Caliphs or Twelve successors refers to a hadith of the Islamic prophet Muhammad in which he said that after him there would be twelve successors mentioned as "Khalifa" who would guide Islam well according to the Quran and the Sunnah..Those twelve caliphs are sometimes referred to by scholars as "Rashidun" ("Rightly Guided") or as "Mujaddid".

List

According to sunni Islam which is the Mainstream of Islam they consider 5 caliph till date to be one of those Rashiduns or Mujaddids they are:

Abu bakr

Umar I

Uthman

Ali

Umar II

The Rashidun Caliphs (632–661)

The famous four Rashidun Caliph are considered as the confirmed caliphs out those 12 Caliphs because of the hadith of prophet Muhammad where he foretold the prophetic caliphate will last for 30 years

Umar ibn Abd al-Aziz

The sunni branch of islam consider him to the first mujaddid and 5th of the rashidun caliph because of his efforts and sacrifice for revival of caliphate system. He famously renewed the shura system after his predecessor Suleiman nominated him before death he rejected it and asked the muslim ummah again to ensure his legitimacy by shura.