High Quality Content by WIKIPEDIA articles! The Battle of Britain was the fourth of Frank Capra's Why We Fight series. It was released in 1943 and concentrated on the German bombardment of the United Kingdom in anticipation of Operation Sealion during the Second World War. During the World War II and immediately after it, in addition to the many private films created to help the war effort, many Allied countries had governmental or semi-governmental agencies commission propaganda and training films for home and foreign consumption. Animated films will be reserved for a future list. Frank Russell Capra (May 18, 1897 ? September 3, 1991) was a Sicilian-born American film director and a creative force behind a number of films of the 1930s and 1940s, including It Happened One Night (1934), Mr. Deeds Goes to Town (1936), Lost Horizon (1937), You Can't Take It With You (1938), Mr. Smith Goes to Washington (1939), Meet John Doe (1941), Arsenic and Old Lace (1944) and It's a Wonderful Life (1946).