 During World War II until April 30, 1945 a concentration camp was established in Finkenwerder.It was a subcamp to the Neuengamme concentration camp.It was also the site of a U-boat bunker, which was heavily damaged by Tallboy and Grand Slam bombs in April 1945 and demolished post-war, although the foundations of the walls were uncovered during work to extend the runway of Hamburg-Finkenwerder Airport.