Battle of Portland

The naval Battle of Portland, or Three Days' Battle, took place during 18–20 February 1653 (28 February – 2 March 1653 (Gregorian calendar)), during the First Anglo-Dutch War, when the fleet of the Commonwealth of England under General at Sea Robert Blake was attacked by a fleet of the Dutch Republic under Lieutenant-Admiral Maarten Tromp escorting merchant shipping through the English Channel.