Events in the year 1840 in Brazil.
Incumbents edit
Events edit
- Last remaining group of Cabanagem rebels, under leadership of Gonçalo Jorge de Magalhães, surrenders
- Ragamuffin War: rebels of the Riograndense Republic refused an offer of amnesty by the Empire of Brazil, although it was clear that they had no chances of winning
Births edit
- 9 June: Custódio José de Melo, admiral and politician (d. 1902)
Deaths edit
Wikimedia Commons has media related to 1840 in Brazil.