Sun Yat Sen helped take down the Qing Dynasty and developed the People's Republic of China.
Sun Yat Sen was important because he founded the People's Republic of China.
Sun Yat Sen helped take down the Qing Dynasty and then developed the modern People's Republic of China. This gained him the name of "Father of Modern China".
Sun Yat Sen overthrew the Qing Dynasty and founded the People's Republic of China.
Sun Yat-sen played an instrumental role in over throwing the Qing Dynasty. He is widely considered as the founding father of China as a Republic.