In readiness to mark Battle of Britain day on September 15, Key.Aero revisits why the day was such an important turning point of World War II
The Battle of Britain took place between July and October of 1940. On Sunday, September 15 1940, the Luftwaffe launched its biggest and most concentrated attack of the war so far against London. The aim of the Luftwaffe was to draw the Royal Air Force into a battle which would lead to its ultimate annihilation. 1,500 aircraft would take part in this the climax of the Battle of Britain, which would last until dusk.