Sasanian–Kidarite wars
The Sasanian-Kidarite Wars were a series of military confrontations between the Sassanid Empire and the Kidarites. == First Sassanid-Kidarite Conflict == Around 350 C.E, the emperor of the Sassanids had to abandon his military expedition to the city of Nisibis because of the arrival of various central Asian nomadic tribes on their east and had struggles against them.