<P> The Battle of Britain ( German : Luftschlacht um England , literally `` The Air Battle for England '' ) was a military campaign of the Second World War , in which the Royal Air Force ( RAF ) defended the United Kingdom ( UK ) against large - scale attacks by Nazi Germany 's air force , the Luftwaffe . It has been described as the first major military campaign fought entirely by air forces . </P>
who won the battle of britain in ww2
the United Kingdom