Yinzhen, also known as the Yongzheng Emperor, was the fifth emperor of the Qing Dynasty in China, ruling from 1722 to 1735. He was born on December 13, 1678, and was the son of the Kangxi Emperor. Yinzhen is known for his efforts to centralize power and improve the efficiency of the government. During his reign, Yinzhen implemented various reforms, including tax reforms and the promotion of agriculture. He also focused on cultural development, supporting the arts and literature. His leadership helped stabilize the Qing Dynasty and laid the groundwork for future emperors.