Battle of Waj Rudh

{{Short description|642 battle}}

{{Infobox military conflict

| conflict = Battle of Waj Rudh

| partof = Islamic conquest of Persia

| image =

| caption =

| date = 642/643

| place = Waj Rudh, Hamadan, Persia

| result = Muslim victory

| combatant1 = Rashidun Caliphate

| combatant2 = Sasanian Empire

| commander1 = Nu'man

| commander2 = Muta{{KIA}}
Farrukhzad
Isfandiyar
Varaztirots{{KIA}}

| strength1 = Unknown

| strength2 = Unknown

| casualties1 = Low

| casualties2 = Heavy

}}

{{Campaignbox Muslim Conquest Persia}}

The Battle of Waj RudhParvaneh Pourshariati, The Decline and Fall of the Sasanian Empire, 248. (Waay Rudha) was fought in 642/643 between the Rashidun Caliphate under Nu'man, and the Sasanian Empire under the Dailamite Muta, the Parthian Farrukhzad and Isfandiyar, and the Armenian Varaztirots. The battle was fought in Waj Rudh, a village in Hamadan. The location was precisely theorized and occurred on a road junction between Hamadan and Qazvin.

The Sasanians were defeated under heavy casualties, which included the death of Muta and Varaztirots. According to Tabari, the scale of the battle was said to have rivalled the battle of Nahavand,{{cite book |last1=Ibn Jarir at-Tabari |first1=Muhammad |title=The History of Al-Tabari Vol. 14 The Conquest of Iran A.D. 641-643/A.H. 21-23 |date=2015 |publisher=SUNY |isbn=9781438420394|translator=G. Rex Smith |url=https://books.google.com/books?id=fRjsrA5tfLIC |access-date=7 December 2021 |language=en |format=Ebook}}{{cite book |last1=Kamal-ud-Din |first1=Khwaja |title=The Islamic Review Volume 45 |date=1957 |publisher=Woking Muslim Mission and Literary Trust |page=16 |url=https://books.google.com/books?id=BkzoAAAAMAAJ |access-date=23 December 2021}} As according to G. Rex Smith, this means Waj al-Rudh was the greatest calamity of Sassanid after Nahavand and battle of al-Qadisiyyah.