Middle East · The early caliphates
Rashidun Caliphate
Caliphate (consultative elective monarchy) · AD 632 – 661
The Rashidun ("Rightly Guided") Caliphate was the first Islamic state after the Prophet Muhammad, led by his four successive companions: Abu Bakr, Umar, Uthman, and Ali. When Muhammad died in June 632, the community at Medina — after the contested gathering at the Saqifah of the Banu Sa'ida — acclaimed Abu Bakr as khalifat rasul Allah, "Successor of the Messenger of God."
- Type
- Caliphate (consultative elective monarchy)
- Existed
- AD 632 – 661
- Shown on the map
- AD 633–665
- Capital
- Medina (632–656), Kufa (656–661)
- Peak area
- ~7.1 million km² (c. 6.4 million km² by 655 by scholarly estimate)
- Region
- Middle East
Origins & rise
The Rashidun ("Rightly Guided") Caliphate was the first Islamic state after the Prophet Muhammad, led by his four successive companions: Abu Bakr, Umar, Uthman, and Ali. When Muhammad died in June 632, the community at Medina — after the contested gathering at the Saqifah of the Banu Sa'ida — acclaimed Abu Bakr as khalifat rasul Allah, "Successor of the Messenger of God." The new polity's first test was existential: tribes across Arabia withheld allegiance or followed rival prophets, and Abu Bakr's Ridda ("apostasy") Wars of 632–633, crowned by Khalid ibn al-Walid's victory over Musaylima at Yamama, forcibly reunited the peninsula under Medina. The same armies then turned outward against two empires — Byzantine and Sasanian — bled white by their own generation-long war.
History & key rulers
Under Umar (r. 634–644), who first took the enduring title amir al-mu'minin ("Commander of the Faithful"), expansion became explosive: Khalid ibn al-Walid took Iraq's Lakhmid frontier (633–634), Yarmouk (636) broke Byzantine Syria, al-Qadisiyyah (636) opened Iraq and Ctesiphon fell in 637, Jerusalem surrendered in 637/638, Egypt was conquered by 642, and Nahavand (642) destroyed Sasanian resistance, with the last shah Yazdegerd III killed at Merv in 651. Umar also founded the administrative skeleton of empire — the Diwan register, garrison cities (Kufa, Basra, Fustat), stipend pensions, and the Hijri calendar. Uthman (r. 644–656) completed the conquest of Persia and pushed into North Africa, Armenia, and Cyprus, and canonized the Qur'anic text, but accusations of nepotism toward his Umayyad kin fueled provincial revolt; Egyptian and Iraqi rebels besieged his house in Medina and killed him in 656. Ali (r. 656–661), Muhammad's cousin and son-in-law, moved the capital to Kufa but immediately faced the First Fitna: the Battle of the Camel (656) against Aisha, Talha, and al-Zubayr; the indecisive Battle of Siffin (657) against Mu'awiya, governor of Syria; and the secession of the Kharijites, one of whom assassinated him in 661. His son Hasan briefly held the caliphate before abdicating to Mu'awiya, who founded the Umayyad Caliphate.
Government, religion & culture
The caliphate was a consultative regime: caliphs were chosen by shura of senior companions, not by heredity, and ruled in the Prophet's moral shadow, watched by the ansar and companions. Administration was deliberately light — conquered peoples kept their religions, languages, and local institutions in exchange for tribute (jizya, kharaj), while zakat funded the community and its soldiers. Islam was the state religion, yet the vast majority of subjects remained Christian, Jewish, or Zoroastrian. Arabic was the official language; coinage long remained adapted Sasanian and Byzantine types.
Peak & territory
Within thirty years the caliphate had swallowed the entire Sasanian Empire and the richest Byzantine provinces — from Libya's edge and Egypt through Arabia, the Levant, and Mesopotamia to Khorasan and the Indus — becoming the greatest power of West Asia and Northeast Africa.
Decline & legacy
The caliphate ended not by conquest but by civil war: the First Fitna's unresolved question — who may rightly lead the community — permanently split Islam into Sunni and Shia branches, the latter rejecting the first three caliphs as usurpers of Ali. Sunni memory enshrines the era as a golden age of piety and justice, second only to the Prophet's lifetime. Historically, the Rashidun conquests redrew the map of the world: they ended four centuries of Sasanian Iran, halved Byzantium, and created the enduring Arab-Islamic heartland of the Middle East.
Common questions
- What was the Rashidun Caliphate?
- The Rashidun ("Rightly Guided") Caliphate was the first Islamic state after the Prophet Muhammad, led by his four successive companions: Abu Bakr, Umar, Uthman, and Ali. When Muhammad died in June 632, the community at Medina — after the contested gathering at the Saqifah of the Banu Sa'ida — acclaimed Abu Bakr as khalifat rasul Allah, "Successor of the Messenger of God."
- When did the Rashidun Caliphate exist?
- The Rashidun Caliphate existed AD 632 – 661. On this map it is drawn AD 633–665.
- What was the capital of the Rashidun Caliphate?
- The Rashidun Caliphate was ruled from Medina (632–656), Kufa (656–661).
- How large was the Rashidun Caliphate at its height?
- Within thirty years the caliphate had swallowed the entire Sasanian Empire and the richest Byzantine provinces — from Libya's edge and Egypt through Arabia, the Levant, and Mesopotamia to Khorasan and the Indus — becoming the greatest power of West Asia and Northeast Africa.
- Who ruled the Rashidun Caliphate?
- Under Umar (r. 634–644), who first took the enduring title amir al-mu'minin ("Commander of the Faithful"), expansion became explosive: Khalid ibn al-Walid took Iraq's Lakhmid frontier (633–634), Yarmouk (636) broke Byzantine Syria, al-Qadisiyyah (636) opened Iraq and Ctesiphon fell in 637, Jerusalem surrendered in 637/638, Egypt was conquered by 642, and Nahavand (642) destroyed Sasanian resistance, with the last shah Yazdegerd III killed at Merv in 651.
- How did the Rashidun Caliphate end?
- The caliphate ended not by conquest but by civil war: the First Fitna's unresolved question — who may rightly lead the community — permanently split Islam into Sunni and Shia branches, the latter rejecting the first three caliphs as usurpers of Ali. Sunni memory enshrines the era as a golden age of piety and justice, second only to the Prophet's lifetime.
- How was the Rashidun Caliphate governed?
- The caliphate was a consultative regime: caliphs were chosen by shura of senior companions, not by heredity, and ruled in the Prophet's moral shadow, watched by the ansar and companions.
Sources
Every source below was consulted while writing this entry.
- Wikipedia, "Rashidun Caliphate" en.wikipedia.org/wiki/Rashidun_Caliphate
- Encyclopaedia Britannica, "Rashidun" www.britannica.com/topic/Rashidun
This entry was written from the sources above and last updated .
This entry was researched and drafted with AI from the sources above, and has not been reviewed by a historian. How entries are made
Text available under CC BY-SA 4.0: reuse it with a credit to The World Through Time and a link to this page. Passages drawing on the Wikipedia articles listed above are also licensed CC BY-SA 4.0 by their contributors.
Border geometry for the map itself comes from Cliopatria v0.12 (Seshat Global History Databank, CC-BY-4.0).
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