 After his death the magnificent Kanishka stupa was built in Peshawar to house Buddhist relics.The golden age of the Kushan empire in Peshawar ended in 232 CE with the death of the last great Kushan king, Vasudeva I.Around 260 CE, the armies of the Sasanid Emperor Shapur I launched an attack against Peshawar, and severely damage Buddhist monuments and monasteries throughout the Valley of Peshawar.