Main article: Kidarites Hephthalites (White Huns) Main article: Hephthalites The Hephthalite Empire in Afghanistan extended from Chinese Sinkiang to Sassanid Iran, from Sogdiana to the Punjab . Their chief antagonists were the Sassanids. Consequently there was relatively little peace during this time. At about 565 AD, the Hephthalite Empire was overthrown