Minguo 1 in Taiwan is ...

"Puyi became the Xuantong Emperor (then spelled as Hsuan Tung Emperor) at age two in 1908, but was forced to abdicate on February 12, 1912 during the Xinhai Revolution. His era name as the last Qing emperor, "Xuantong", means "proclamation of unity"." -Wikipedia

"The Republic of China calendar (Chinese: 中華民國曆) or Minguo calendar (Chinese: 民國紀年) is the official calendar used in Taiwan since 1945, and also adopted by Overseas Chinese and Taiwanese communities." -Wikipedia