Hauts-de-France
During the Second World War, the German Air Force developed an unmanned flying bomb, the V1 (Vergeltungswaffe).
Bomb-proof workshop
Organisation Todt, Nazi Germany's construction company, sent an army of forced labourers to an old marl quarry in the Netherlands in the spring of 1944 to convert it into an aircraft engine maintenance site.
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Hauts-de-France
From September 1943, forced labourers excavated a vast underground tunnel complex in Mimoyecques on the outskirts of Calais.
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