What is formally (not de facto) the capital of Taiwan?
Officially, the Republic of China (ROC) maintains its claim to be the legitimate government of the Chinese mainland, with a capital at Nanjing. Thus, formally, Taipei is only the capital of Taiwan province of the ROC, and administered as a separate municipality. De facto, Taipei functions as the capital of the ROC on Taiwan. http://atimes.com/atimes/Others/taiwan.html Tainan was established as the capital of Taiwan in 1661 and remained capital until 1887 during the Qing Dynasty.