Qin Shihuangdi proclaimed himself the First Emperor in 221 B.C.E. Under his rule currencies, weights and measures are standardized. Many criticized his rule. So, too preserve his throne, he ordered the burial of 400 living scholars. In 210 he dies and is buried in a lavish tomb with terra-cotta soldiers, and one year after his death revolts begin, bringing the Qin Dynasty to an end.