What was the first air battle in history fought in the skies over great britian?

On June 17, 1940, The defeated French signed an armistice and quit WW II,  leaving Britain standing alone against Germany. In the Summer and fall of that year, German and British forces clashed in the skies over Britain in the first all-air battle in history.

A significant turning point in WW II, the Battle of Britain ended when Germany's Luftwaffe failed to gain air  superiority over the Royal Air Force . Britain's decisive victory saved the country from a ground invasion from the enemy and proved air power alone could also be used to win a major battle.

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings