Blacknor Fort is a 20th-century

fort A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...

on the

Isle of Portland An isle is an island, land surrounded by water. The term is very common in British English. However, there is no clear agreement on what makes an island an isle or its difference, so they are considered synonyms. Isle may refer to: Geography * Is ...

Dorset Dorset ( ; archaically: Dorsetshire , ) is a county in South West England on the English Channel coast. The ceremonial county comprises the unitary authority areas of Bournemouth, Christchurch and Poole and Dorset (unitary authority), Dors ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

. It is located at Blacknor Point on the western side of Portland, close to

Weston Weston may refer to: Places Australia * Weston, Australian Capital Territory, a suburb of Canberra * Weston, New South Wales * Weston Creek, a residential district of Canberra * Weston Park, Canberra, a park Canada * Weston, Nova Scotia * W ...

village.

History

The fortress was built in 1900-02 as a coastal defence overlooking

Lyme Bay Lyme Bay is an area of the English Channel off the south coast of England. The south western counties of Devon and Dorset front onto the bay. The exact definitions of the bay vary. The eastern boundary is usually taken to be Portland Bill on the ...

to defend

Portland Harbour Portland Harbour is located beside the Isle of Portland, Dorset, on the south coast of England. Construction of the harbour began in 1849; when completed in 1872, its surface area made it the largest man-made harbour in the world, and rema ...

and the other naval institutions on the island. The fort was operational during both World Wars with two 9.2 inch guns. During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, on the night of the 27 April 1944, the fort witnessed the Slapton Sands Massacre. As part of

Exercise Tiger Exercise Tiger, or Operation Tiger, was one of a series of large-scale rehearsals for the D-Day invasion of Normandy, which took place in April 1944 on Slapton Sands in Devon. Coordination and communication problems resulted in friendly fire ...

, United States soldiers were practising landings at

Slapton Sands Slapton is a village and civil parish in the South Hams district of Devon, England. It is located near the A379 road between Kingsbridge and Dartmouth, and lies within the South Devon Area of Outstanding Natural Beauty (AONB). The nearby be ...

when they were attacked by German

E-Boats E-boat was the Western Allies' designation for the fast attack craft (German: ''Schnellboot'', or ''S-Boot'', meaning "fast boat") of the Kriegsmarine during World War II; ''E-boat'' could refer to a patrol craft from an armed motorboat to a lar ...

. The gunners at Blacknor Fort were ordered not to open fire for fear of hitting the Allied troops. More than 600 American soldiers and seamen drowned by the end of the night, many were pulled down by the weight of their own equipment. The fort was decommissioned in 1956 and is now privately owned and split into three separate properties, one of which was built on top of one of the two gun emplacements. Two small gun emplacements and an observation post survive outside of the fort's perimeter on the cliff edge.

References

{{coord, 50.54356, N, 2.45381, W, type:landmark_region:GB, display=title Isle of Portland Forts in Dorset Coastal artillery