| Battle of 4 May | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Brazilian War of Independence | |||||||
.jpg) Batalha de 4 de maio de 1823, by Trajano Augusto de Carvalho | |||||||
| |||||||
| Belligerents | |||||||
 Empire of Brazil |
 Kingdom of Portugal | ||||||
| Commanders and leaders | |||||||
|
Thomas Cochrane |
João de Campos | ||||||
| Strength | |||||||
|
Ships:[1] 1 ship of the line 2 frigates 2 corvettes 2 fire ships |
Ships:[2] 1 ship of the line 2 frigates 3 corvettes 3 troopships 1 lugger 1 brig 1 schooner 1 smack | ||||||
| Casualties and losses | |||||||
| None | None | ||||||
The Battle of 4 May was fought in open sea near Salvador, Bahia, on 4 May 1823, between the Imperial Brazilian Navy, under the command of British admiral Thomas Cochrane, and the Portuguese Navy during the Brazilian War of Independence.[2]