Muslim conquest of Persia

Quick Facts: Who was Muslim conquest of Persia?

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Muslim conquest of Persia

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The period (633–651 CE) when the Rashidun Caliphate conquered the powerful Sasanian Empire.

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2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

The Muslim conquest of Persia, also known as the Arab conquest of Iran, occurred between 633 and 651 CE, when the Rashidun Caliphate conquered the Sasanian Empire as part of the early Muslim conquests, which began under the Islamic prophet Muhammad in 627/628. While Arabia was witnessing the rise of Islam in the 7th century, Persia was facing significant political, economic and social challenges, and the Sasanian army had been heavily strained by the Byzantine–Sasanian War of 602–628. Following the execution of Sasanian shah Khosrow II in 628, Persia's internal political stability began to deteriorate rapidly, leading to ten new royal claimants being enthroned within the next four years. Shortly afterwards, Persia was further devastated by the Sasanian Interregnum, a large-scale civil war that began in 628 and resulted in the government's decentralization by 632. The first Rashidun invasion of Sasanian territory took place in 633, when the Rashidun army conquered parts of Asoristan, which was the Sasanians' political and economic centre in Mesopotamia.

Pivotal Works & Achievements

Later, the regional Rashidun army commander Khalid ibn al-Walid was transferred to oversee the Muslim conquest of the Levant, and as the Rashidun army became increasingly focused on the Byzantine Empire, the newly conquered Mesopotamian territories were retaken by the Sasanian army. The second Rashidun invasion began in 636, under Sa'd ibn Abi Waqqas, when a decisive victory at the Battle of al-Qadisiyyah, put a permanent end to any Sasanian control west of modern-day Iran. For the next six years, the Zagros Mountains, a natural barrier, marked the political boundary between the Rashidun Caliphate and the Sasanian Empire. In 642, Umar ibn al-Khattab, eight years into his reign as Islam's second caliph, ordered a full-scale invasion of the rest of the Sasanian Empire. Directing the war from the city of Medina in Arabia, Umar's quick conquest of Persia in a series of coordinated and multi-pronged attacks became his greatest triumph, contributing to his reputation as a great military and political strategist.

Enduring Legacy & Impact

In 644, however, he was assassinated by the Persian craftsman Abu Lu'lu'a Firuz, who had been captured by Rashidun troops and brought to Arabia as a slave. Some Iranian historians have defended their forefathers by using Arab sources to illustrate that "contrary to the claims of some historians, Iranians, in fact, fought long and hard against the invading Arabs." By 651, most of the urban centres in Iranian lands, with the notable exception of the provinces along the Caspian Sea such as Tabaristan and Transoxiana, had come under Muslim domination. Many localities fought against the invaders; although the Rashidun army had established hegemony over most of the country, many cities rose in rebellion by killing their Arab governors or attacking their garrisons. Eventually, military reinforcements quashed the Iranian insurgencies and imposed complete control. The Islamization of Iran was gradual and incentivized in various ways over a period of centuries, though some Iranians never converted and there is evidence of Zoroastrian scriptures and all other pre-Islamic being burnt and Zoroastrian priests being executed, particularly in areas that were centers of resistance.

Historical Fact-Check Quiz: Muslim conquest of Persia

True or False: “The Muslim conquest of Persia was a single, unified military campaign completed within a few years.”

Answer (FALSE ❌): The conquest was protracted, involving multiple invasions and periods of resistance; by 651 CE, most urban centers were under Muslim domination, though some areas remained resistant.

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