Action of 5 October 1804 was a battle fought on 5 October 1804 in what is now Portugal. It was part of the Napoleonic Wars, which ran from 1803 to 1815. The recorded result: British victory. Recorded strength: 4 frigates against 4 frigates.
Four Spanish frigates with a rich shipment from Montevideo headed for Cadiz. The cargo was ultimately destined for France and therefore potentially for use against the British. Four British frigates l. Francis Sartorius, Public domain, via Wikimedia Commons.
Action of 5 October 1804 is one of 3,507 engagements of the 19th century in the atlas and one of 135 in present-day Portugal.
Sources
Identity, coordinates, dates and the war from Wikidata Q1888562, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Action of 5 October 1804, revision 1370426702, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.