<P> Historian Stephen Bungay cited Germany 's failure to destroy Britain 's air defences to force an armistice ( or even outright surrender ) as the first major German defeat in World War II and a crucial turning point in the conflict . The Battle of Britain takes its name from a speech by Winston Churchill to the House of Commons on 18 June : `` What General Weygand has called The Battle of France is over . The Battle of Britain is about to begin . '' </P>
who won the battle of britain in ww2
Britain