First 4 Caliphs were not missionaries to Africa , but many other companions of prophet were .
The Umayyad Caliphate came after the four Rightly-Guided Caliphs.
they ruled differently
to northwest europe
they were the damascus
they ruled differently
All the first Four Caliphs were chosen in different ways. Later on it became a kind of Kingship, son following the father.
Sunni
Iraq
The first four Caliphs in Islam are regarded as the Khulfa-e-Rashidun or The Four Rightly Guided Caliphs. These caliphs are regarded as the most famous and comprise of Hazrat Abu Bakr, Hazrat Umar, Hazrat Usman as well as Hazrat Ali.
they finished by different political events.
they finished by different political events.
abu baker umar uthman ali