Tinn in WW2 History | World War II Database

12 Aug 1935

Photo(s) dated 12 Aug 1935

Vemork hydroelectric plant, Tinn, Telemark, Norway, 12 Aug 1935

18 Oct 1942

Norway

Four Norwegian agents of the British Special Operations Executive were parachuted near the Vemork heavy water production plant in Telemark, Norway on a reconnaissance mission code named Grouse. ww2dbase [Vemork Heavy Water Plant | Tinn, Telemark | CPC]

19 Nov 1942

Norway

A raid on the German-controlled Vemork heavy water plant at Telemark, Norway, came to grief when the gliders carrying 34 commandos crashed. After torturous interrogations, all survivors were shot by the Germans. ww2dbase [Vemork Heavy Water Plant | Tinn, Telemark | TH]

28 Feb 1943

Norway

Six newly arrived Norwegian agents of the British Special Operations Executive (code named Gunnerside) joined the four agents already in place since Oct 1942 (code named Grouse) in sabotaging the Norsk Hydro-Elektrisk Vemork heavy water production plant in Telemark, Norway, thereby depriving German atomic weapons scientists of 500 kilograms of heavy water and near-future heavy water production capability. ww2dbase [Vemork Heavy Water Plant | Tinn, Telemark | AC, CPC]

16 Nov 1943

Norway

Allied bombers attacked the Vemork heavy water plant in Norway, which was in the process of being rebuilt by the Germans. ww2dbase [Vemork Heavy Water Plant | Tinn, Telemark | TH]

Photo(s) dated 16 Nov 1943

Smoking rising from Vemork hydroelectric plant after Allied air raid, Telemark, Norway, 16 Nov 1943

20 Feb 1944

Norway

On Lake Tinn (Tinnsjo) in Norway, the ferry D/F Hydro, carrying the last of the heavy water produced at Vemork destined for the German atomic weapons reseach program, was sunk by Norwegian resistance saboteurs. ww2dbase [Vemork Heavy Water Plant | Tinn, Telemark | TH, CPC]

Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis

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