battle of Nahavand

At the time of the death of the Islamic Prophet Muhammad in 632, the religion that he led dominated the Hejaz (western Arabia). Under the first two caliphs Abu Bakr and Umar, Islam expanded into Palestine and Mesopotamia where it respectively confronted the East Roman and Persian (Sāsānian) empires. Both were exhausted by warfare and internal dissent. With the East Roman defeat at the Battle of Yarmouk (636), the Muslim Arabs were free to turn east to the Euphrates and the Persian heartland.{{cite book|first=Geoffrey|last=Barraclough|pages=104–105|title=The Times Atlas of World History|isbn=0-7230-0161-8}} In November 636 a Sāsānian army was defeated at the Battle of Qadisiya, resulting in the loss of Iraq to the Muslims.

Following defeat by the Arabs in 639, the "King of Kings" Yazdgerd III was forced to abandon his capital at Ctesiphon. From Mesopotamia, he withdrew into the Sāsānian homeland in what is now the southern plateau of Iran. There he was able to assemble an army to replace that lost at Qadisiya.Khodadad Rezakhani "Arab Conquests and Sasanian Iran", pages 35-36 History Today April 2007

At Nahāvand, an estimated 30,000 Arab warriors under the command of Nuʿmān attacked a Sāsānian army reportedly of ca. 100,000 men. According to the history writer Peter Crawford, the forces that gathered there was variously recorded as anything from 50,000 to 100,000.{{sfn|Crawford|2013|p=185}} Mostly farmers and villagers, not veteran soldiers. Two centuries of silence page 76 the Sāsānian troops, commanded by Fīrūzan, were entrenched in a strong fortified position. After an indecisive skirmish, Nuʿmān pretended to be defeated and withdrew from the battlefield. Fīrūzan then abandoned his position and pursued his foe. The pursuit proved to be a major tactical error because the Sāsānians were forced to fight on unfavourable ground. The Sāsānian army, caught between two mountain defiles, fought for two days and three nights. After heavy casualties were incurred on both sides, the Persians were defeated by the Arabs.Two centuries of silence page 77 & 78 Both Nuʿmān and Fīrūzan died in the battle.

Various accounts are told about Nahāvand and the early stages of the battle. According to some versions the Persian cavalry mounted an ill-prepared pursuit of the Arabs who retreated to a more secure location. The Arabs then rallied, before surrounding and trapping the Persian force. Finally the Muslim warriors assaulted the Sāsānian host from all sides and defeated it.

According to a different version, the Arab commander Nuʿmān was able to outmaneuver his Sāsānian counterpart Fīrūzan through the use of superior tactics rather than misleading rumors. The numerically superior Persians had been deployed in a strong defensive position. This would not normally have been a strategy favored by the loosely disciplined Sāsānian forces; drawn from decentralized sources and led by an alliance of feudal nobles. Nuʿmān was accordingly able to draw out the Persians from their vantage point by skirmishing advances and then a general but cohesive retreat. During the Sāsānian pursuit Fīrūzan found his horsemen caught in extended order across a rough landscape and narrow passes. The highly motivated and well-mounted Muslims then rallied and counterattacked, inflicting very heavy losses on the disorganized Persians. Both Nuʿmān and Fīrūzan were reportedly killed in the final melee but the Sāsānian defeat was total.

As the historian Tabari notes, the Persians were never again able to unite their forces in such numbers. Many of the Sāsānian nobles were already considering deserting the Empire even before the battle commenced. Many of Yazdegerd's military and civilian officials had already abandoned him.Iranian History and Politics: The Dialectic of State and Society By Homa Katouzian, pg. 25

Nahāvand marked the near dissolution of the Sasanian Imperial army, with the fall of the last of the grand marshals of the army and the rise of warlordism among the Persians. The Emperor Yazdegerd III attempted to raise troops by appealing to other neighbouring areas such as the princes of Tukharistan and Sogdia and eventually sent his son Peroz III to the Tang court, but without any success.

Yazdegerd hurriedly fled towards the east where he was ill-received by several Marzban (provincial governors) in the north; as well as in Merv, where the governor Mahoye openly showed his hostility to the Emperor. According to non-Muslim sources, Yazdegerd failed to rally enough support in Eastern Persia where the Sasanians were unpopular with the local population.The History of Iran By Elton L. Daniel, pg 67 Muslim sources, such as Tabari, reported that the province of Khorasan revolted against Sasanian rule, just as it had years earlier when the population had sided with Khosrau II's uncle Vistahm. When Yazdegerd was crowned in Estakhr, Persia had in fact three Kings ruling in different regions and Khorasan had not initially given support to Yazdegerd.

Before Yazdegerd had a chance to receive help from the Hepthalites and Turkish tribes, he was assassinated by a local miller in Merv in 651.History of Islamic Philosophy - With View of Greek Philosophy and Early History of Islam By I. M. N. Al-Jubouri, pg. 142 Thereafter, Yazdegerd's son Peroz attempted to re-establish the Sasanian empire against the Rashidun Caliphate and its successor, the Umayyad Caliphate, though the plan did not develop, as Peroz ultimately died in China.

{{Reflist|2}}

• {{cite book |title=Two Centuries of Silence |year=2016|publisher=Authorhouse|location=Bloomington, IN |last = Zarrinkub |first = Abd al-Husain |chapter = the silent fire |pages = |isbn =978-1524622534|oclc=957505841}}
• {{cite book |last1=Crawford |first1=Peter |title=The War of the Three Gods: Romans, Persians and the Rise of Islam |date=16 July 2013 |publisher=Pen and Sword |location=Barnsley |isbn=978-1-84884-612-8 |url=https://books.google.com/books?id=ZPAHBAAAQBAJ |language=en}}
• {{cite book|last=Pourshariati|first=Parvaneh|title=Decline and Fall of the Sasanian Empire: The Sasanian-Parthian Confederacy and the Arab Conquest of Iran|location=London and New York|publisher=I.B. Tauris|year=2008|isbn=978-1-84511-645-3|url=https://books.google.com/books?id=I-xtAAAAMAAJ}}
• {{cite book | title = The Cambridge History of Iran, Volume 4: From the Arab Invasion to the Saljuqs | year = 1975 | publisher = Cambridge University Press | location = Cambridge | last = Zarrinkub | first = Abd al-Husain | chapter = The Arab conquest of Iran and its aftermath | pages = 1–57 | isbn = 978-0-521-20093-6 | url = https://books.google.com/books?id=hvx9jq_2L3EC}}
• {{cite encyclopedia | article = ʿARAB ii. Arab conquest of Iran | last = Morony | first = M. | url = http://www.iranicaonline.org/articles/arab-ii | encyclopedia = Encyclopaedia Iranica, Vol. II, Fasc. 2 | pages = 203–210 | year = 1986 }}

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Category:Battles involving the Sasanian Empire

Category:Battles involving the Rashidun Caliphate

Category:Muslim conquest of Persia

Category:640s in the Rashidun Caliphate

Category:640s in the Sasanian Empire

Category:History of Hamadan province

Category:Nahavand County