Cao Pi was a Chinese emperor who ruled from 220 to 226 AD during the Three Kingdoms period. He was the son of Cao Cao, a prominent warlord and politician. Cao Pi is known for founding the Cao Wei state after his father's death and declaring himself the first emperor of Wei, taking the title Emperor Wen. Cao Pi was also a notable poet and contributed to the development of literature during his reign. His works often reflected the political and social issues of his time. He played a significant role in consolidating power and establishing the foundations of the Wei dynasty.