A bloodless coup d'état in Brazil ousts Washington Luís Pereira de Sousa, the last President of the First Republic. Getúlio Vargas then installed as "provisional president."
- Johan Galtung, Norwegian polemologist (Meaning of Nonviolence), born in Oslo, Norway
- Sultan Ahmad Shah, 7th King of Malaysia (1979-84), born in Pekan, Pahang, Federated Malay States, British Malaya (d. 2019)
- The Big Bopper [Jiles Perry Richardson], American musician, born in Sabine Pass, Texas (d. 1959)
- Renaat Verheijen, Flemish actor and director (Dr Faustus), dies at 26