When did Mao start ruling cina?

Mao Zedong officially became the leader of the People's Republic of China when it was proclaimed on October 1, 1949. He had been a prominent figure in the Chinese Communist Party since its founding in 1921 and played a key role in the Chinese Civil War, which ultimately led to the Communist victory over the Nationalists. Mao's rule continued until his death in 1976.