Original: After its defeat in the Chinese Civil War in 1949 , the Republic of China ( ROC ) , led by the Kuomintang , retreated to Taiwan , leaving Mainland China to the Communist Party who later established People 's Republic of China ( PRC ) .
Simplified: After its defeat in the Chinese Civil War in 1949 , the Republic of China ( ROC ) , led by the Kuomintang , went to Taiwan .