1920年，陳炯明指揮粵軍進攻廣州趕走滇、桂兩軍。孫中山喺11月尾返到廣州，重建軍政府，開始第二次護法運動。1921年4月，非常國會聲稱成立中華民國政府，選孫中山做大總統，喺廣州就職。
In 1920, Chen Jiongming commanded the Cantonese army to attack Guangzhou and drive out the Yunnan and Guizhou armies. Sun Yat-sen finally returned to Guangzhou in November to re-establish the military government and begin the Second Dharma Protection Movement. In April 1921, the Extraordinary National Assembly claimed to have established the government of the Republic of China, elected Sun Yat-sen as the president, and took office in Guangzhou.