護國戰爭
In October 1911 Xinhai Revolution broke out, Wen Tsung-yao, Wu Tingfang and Zhang Jian declared their support for republicanism. After the Republic of China was established in 1912, Wen participated in the movement for political parties. In August 1912 he participated in the Song Jiaoren's Kuomintang where he was appointed a councilor. In December 1915 the National Protection War broke out, Wen joined the National Protection Army against Yuan Shikai. In May 1916 the Military Bureau() was established, Wen was appointed Deputy Diplomatic Envoy.