Battle of Portland  From Wikipedia, the free encyclopedia Jump
to: navigation, search This article is about the naval battle
off the south coast of England in 1653. For the battle at
Portland, Maine in 1863, see Battle of Portland Harbor. Battle
of Portland Part of the First Anglo-Dutch War Maarten
Harpertszoon Tromp.jpg Lieutenant-Admiral Maarten Tromp. Date
18-20 February 1653 Julian calendar[a][b] Location Off Isle of
Portland, English Channel Result English victory  United
Provinces Flag of The Commonwealth.svg Commonwealth of England
Commanders and leaders Maarten Tromp Robert Blake 70-80 warships
70-80 warships Casualties and losses 8-12 warships, 20-40
merchant ships 1-3 warships  The naval Battle of Portland, or
Three Days' Battle took place during 18-20 February 1653 (28
February – 2 March 1653 (Gregorian calendar)),[a] 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-Admira