World War II: Operation Carthage: Royal Air Force planes bomb Gestapo headquarters in Copenhagen, Denmark. They also accidentally hit a school, killing 125 civilians.

Operation Carthage, on 21 March 1945, was a British air raid on Copenhagen, Denmark during the Second World War which caused significant collateral damage. The target of the raid was the Shellhus, used as Gestapo headquarters in the city centre. It was used for the storage of dossiers and the…