On October 10, the Double Tenth Day, Chinese netizens commemorated Sun Yat-sen in various ways, displaying his views such as "the world belongs to all" and "the country is not the domain of one person," expressing their respect and their longing for democracy and freedom.
Chiang Kai-shek launched the Purge in Shanghai, resulting in the cleansing of a large number of grassroots Kuomintang members and Communists, which led to reverse selection within the party.
The Wuhan National Government promulgated the Regulations on Counterrevolutionary Crimes, and the charge of counterrevolution was written into Chinese law for the first time.
In 1926 Mao Zedong wrote an article arguing that determining who are our friends and who are our enemies is the key question of the Chinese revolution, but the article's definitions of friend and foe have continued to shift ever since, with the scope of class enemies steadily expanding.
In 1920, Chen Qiongming proposed "Cantonese governing Canton" in Guangdong, advocating relatively thorough local self-governance, and later forming a confederation or federation, believing that independence must come first and sovereignty must first return to the people.
Song Jiaoren was assassinated in Shanghai, ending the Kuomintang's possibility of forming a cabinet through a parliamentary majority.