The Battle of Dachen Archipelago (simplified Chinese: 大陈等岛之战; traditional Chinese: 大陳等島之戰; pinyin: Dàchén Děng Dǎo Zhī Zhàn) was a struggle between the Nationalists and the Communists for the control of several archipelagos just off the coast of Zhejiang, China during the Chinese Civil War in the post-World War II era, and it was part of the First Taiwan Strait Crisis.