The Battle of the Downs took place on 21 October 1639, during the Eighty Years' War. A Spanish fleet, commanded by Admiral Antonio de Oquendo, was decisively defeated by a Dutch force under Lieutenant
The Battle of the Downs Willem van de Velde the Younger, 1659
Spanish commander Antonio de Oquendo
Dutch commander Maarten Tromp
Before the Battle of the Downs by Reinier Nooms, circa 1639, depicting the Dutch blockade off the English coast, the vessel shown is the Aemilia, Tromp's flagship.
Maarten Harpertszoon Tromp, also known as Maarten van Tromp, was an army general and admiral in the Dutch navy during much of the Eighty Years' War and throughout the First Anglo-Dutch War.
Maarten van Tromp by Jan Lievens
Ships in the First Anglo-Dutch War, 1652, by Abraham Willaerts
Battle of Scheveningen, Tromp's final battle