2 frigates The action of 23 August 1806 was a minor naval battle of the Napoleonic wars, fought off the coast of Spanish Cuba near the port of Havana.

The Royal Navy dominated the West Indies region after the French defeat at San Domingo.

The Spanish had been on the defensive due to the diminished French naval power and the subsequent blockade of Cádiz, which had been made possible by the battle of Trafalgar.

[4] He sailed Anson to the West Indies in early 1806 and in August was sailing in company with Captain Charles Brisbane's HMS Arethusa when on 23 August they came across the 38-gun Spanish frigate Pomona off Havana, guarded by a shore battery and twelve gunboats.

A hard fought action began, lasting for 35 minutes until the Pomona struck her colours.