Nationalist Chinese forces launch a surprise attack on the mainland of the communist People’s Republic of China (PRC) mainland, on March, 15, 1950, capturing the town of Sungmen. The short-lived but significant attack was an attempt to reclaim territory.
The PRC Communist leadership, blamed the United States for assisting the attack, heightening tensions between the U.S. and the PRC.Nationalist forces launched further unsuccessful attacks into Yunnan between 1950 and 1952. These actions were part of the ongoing Chinese Civil War after Chiang Kai-shek's government moved to Taiwan in 1949.