Hormuzan [SEP] conflict
Hormuzan
Hormuzan (Middle Persian: "Hormazdān", New Persian: ) was an Iranian aristocrat who served as the governor of Khuzestan, and was one of the Sasanian military officers at the Battle of al-Qādisiyyah. He was later taken prisoner by the Muslims after the fall of Shushtar in 642. Two years later, he was accused of the assassination of the Rashidun caliph Umar, and was killed by 'Ubaid-Allah, the deceased caliph's son.
Family and early life.
Hormuzan was a
in March 637 followed by capturing of Tikrit and Mosul. Umar wanted Zagros mountains to be the frontiers between Muslims and Persians and is quoted saying 
Persians kept on raiding Iraq, which resulted in political instability in Iraq, as a result Muslims invaded Ahvaz in 638 which forced powerful Persian commander in chief, Hormuzan, to enter into peace negotiations with Muslims. Hormuzan agreed to accept Muslim suzerainty over Ahvaz province and agreed to rule as Muslim's vassal. Hormuzan broke peace agreement three time and each time was pardoned by Caliph Umar