An invasion in 451 c. e. by the white huns began the collapse of the

Gupta dynasty Gupta dynasty, rulers of the Magadha (now Bihar) state in northeastern India. They maintained an empire over northern and parts of central and western India from the early 4th to the late 6th century ce. The first ruler of the empire was Chandra Gupta I, who was succeeded by his son, the celebrated Samudra Gupta.