The Battle of Britain was a major military campaign during World War II, fought between July and October 1940, where the Royal Air Force defended the United Kingdom against large-scale attacks by Nazi Germany's air force, the Luftwaffe. This battle marked a pivotal moment in the war, showcasing not only the strategic importance of air power but also the resilience of British civilians and military forces under sustained bombing. The outcome significantly impacted the course of the war and helped maintain Britain's status as a key player in resisting Nazi aggression.