Second encirclement campaign against the Eyuwan Soviet

The second encirclement campaign against the Eyuwan Soviet was an encirclement campaign launched by the Chinese Nationalist Government against the Eyuwan Soviet, a Communist base located in the border region between Hubei, Henan, and Anhui provinces. The Fourth Red Army responded with its second counter-encirclement campaign and successfully defended the soviet. It lasted from April 1931 to July 1931.