632 years after the death of Mohammed, his first four successor. ABU "Kerr (632 ~ 634 in) the mayer ibn sina HaDaBu (634 ~ 644 in) the Ottoman ibn sina all o (644 ~ 656 in) ali ibn sina than · tower by the o (656 ~ 661 in)
* hassan ali ibn sina (661 ~ 662, the half a year's transition, ali was assassinated by its temporary hassan after any of the caliphs, a 6 months after taking power above, so he and orthodox caliphs time get 30 years)
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They were chosen by consultation that is called in Arabic "Shoura" and then voting among all people.
They obeyed Allah and Rasool , preached Islam ,conquered new areas , treated non Muslims so well that they embrased Islam ,thus they spread Islam to far off areas .
trade and warfare
Because of Sia
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.
Iraq
The Umayyad Caliphate came after the four Rightly-Guided Caliphs.
Sunni and Shia are the two main branches of Islam. The main difference between them is their beliefs about the rightful succession of leadership after the Prophet Muhammad's death. Sunnis believe that leadership should follow the consensus of the community, while Shias believe it should be within the Prophet's family. This historical disagreement has led to differences in religious practices, interpretation of Islamic teachings, and laws within the two branches.
First 4 Caliphs were not missionaries to Africa , but many other companions of prophet were .
The Rashidun Caliphate was the first of the four major caliphates established after the death of the Islamic prophet Muhammad. It was ruled by the first four successive caliphs (successors) of Muhammad after his death in 632 CE (AH 11). These caliphs are collectively known in Sunni Islam as the Rashidun, ... However, after six months the group made peace with Abu Bakr and Ali ...
they ruled differently
None. Caliphs came to power in the Medieval Period. As for the Medieval period, the Caliphs were the leaders of the Muslim Empires called Caliphates. The four first Caliphs were called the Rightly-Guided Caliphs and they also had some religious authority in Islam. Because of the barbarity of the Umayyad Caliphs, the religious authority left the Caliphs and vested in the local Imams. Religious authority would return to the Caliphs in the mid-1500s in the Ottoman Empire until Atatürk abolished the Caliphate in 1936.
Prophet Muhammad (PBUH) and the four first caliphs (or Muslim rulers); namely Abou Bakr, Omar Ibn AlKhattab, Othman Ibn Affan, and Ali Ibn about Taleb.
they were the damascus
to northwest europe