護國戰爭
He was forced to flee abroad after the failed Second Revolution of 1913 against Yuan Shikai, travelling via Japan to the United States, and returned in 1916 to participate in the final stages of the National Protection War, and to represent Zhejiang's military government in Beijing. When Sun Yat-sen ordered Kuomintang members to swear personal loyalty to him, Huang objected and left politics.