Qin Shi Huang 秦始皇, the first Emperor of China, whose artifacts and treasures include the famous Terracotta Army, died after ingesting several pills of mercury in the belief that it would grant him eternal life. 210 BC
Qin Shi Huang (Wade-Giles: Chin Shih Huang; Chinese: 秦始皇; 259 BC – 210 BC; personal name: Zhao Zheng (Wade-Giles: Chao Cheng; Chinese: 趙政); name in classical Chinese: (趙正) was the king of the Chinese State of Qin from 246 BC to 221 BC, during the Warring States Period. He became the first emperor of a unified China in 221 BC. He ruled until his death in 210 BC at the age of 49.