- Finnish Civil War: Rebels seized control of the capital, Helsinki, and members of the Senate of Finland go underground.
- Strike on Berlin ammunition factory
- Harry M Corbett, Bradford, puppeteer/entertainer (Sooty, Some People)
- Suzanne Flon, French actress (One Deadly Summer, Moulin Rouge), born in Le Kremlin-Bicêtre, Seine (d. 2005)
- Trevor Skeet, British MP
- Wilson Ferreira Aldunate, Uruguayan politician/human rights worker