1 March - In the presidential election, Hermes da Fonseca receives 57.1% of the vote. Fonseca is supported by several of the most influential Republican parties, while his main opponent, Rui Barbosa, is supported by the Civilist Campaign.
22 November - Revolt of the Lash: The mostly black crews of four Brazilian warships, led by João Cândido, mutiny shortly after a sailor receives 250 lashes. The crews depose their white officers and threaten to bombard Rio de Janeiro.