Sassanids

Although Shapur seems to have been victorious in most of these confrontations, the Sassanids were able to achieve little.

By 361, Constantius saw no alternative but to face the usurper with force; and yet the threat of the Sassanids remained.

Conflict with the Sassanids Among Valens' reasons for contracting a hasty and not entirely favorable peace in 369 was the deteriorating state of affairs in the East.

For a period of over 400 years, the neighbouring Byzantines and Sassanids were recognised as the two leading powers in the world.

Herodian, 6:6:3 Nevertheless, although the Sassanids were checked for the time, Southern, pg. 62 the conduct of the Roman army showed an extraordinary lack of discipline.

Islamic conquest main In 642 CE, Rashidun Arabs had conquered most of West Asia from the Sassanids and Byzantines, and from the western city of Herat they introduced the religion of Islam as they entered new cities.

Marcian was dispatched with his unit for a war against the Sassanids (probably the Roman-Sassanid war of 421–422 ), Jones.

On one occasion he was separated from the officer's entourage and took refuge in Amida during the siege of the city by the Sassanids of shah Shapur II ; he reportedly barely escaped with his life.

Parthians and Sassanids would later add their own modifications to the original Achaemenid design.

She had the stated goal of protecting the Eastern Roman Empire from the Sasanian Empire (Sassanids), for the peace of Rome; however, her efforts significantly increased the power of her own throne.

Southern, 144. Some of the princes of these states were Persian client kings, a disturbing fact in light of increasing tensions with the Sassanids.

There was no direct necessity for an invasion, as the Sassanids sent envoys in the hope of settling matters peacefully.