Great Britain in World War 2 By mwallis44 Sep 30, 1938 British Prime Minister Chamberlain appeases Hitler at Munich. Aug 25, 1939 Britain and Poland sign a Mutual Assistance Treaty. Aug 31, 1939 British fleet mobilizes to build itself up for war. Sep 3, 1939 Britain, France, Australia and New Zealand declare war on Germany. Sep 4, 1939 British Royal Air Force attacks the German Navy. Jan 8, 1940 Rationing begins in Britain. Jul 10, 1940 Battle of Britain begins. Aug 25, 1940 First British air raid on Berlin. This raid lasted two days into Aug. 26 Mar 14, 1944 British drop 3000 tons of bombs during an air raid on Hamburg, Germany. Aug 19, 1945 U.S., British, and French troops move into Berlin.
