What significance does October 1, 1949, have in Chinese history?

A.) The Boxer Rebellion was defeated by foreign troops.

B.) The last dynasty ended with he death of its empress.

C.) Mao Zedong declared China the "People's Republic of China."

D.) China ended its self-imposed isolation.

C.) Mao Zedong declared China the "People's Republic of China."

This date marks the official establishment of the People's Republic of China after the Chinese Communist Party led by Mao Zedong successfully overthrew the Nationalist government.