Portal:Anarchism/Anniversaries/September/September 18
- 1916 – Individualist anarchist historian James J. Martin (1916 – 2004) is born
- 1931 – The Korean People's Association in Manchuria is dissolved by the Japanese invasion, which establishes the totalitarian dictatorship of Manchukuo.
- 1945 – Volin (pictured), a leading light of the Russian anarchist movement, dies of tuberculosis in a Parisian hospital
- 1954 – Renowned cognitive scientist and teenage anarchist Steven Pinker is born