World War 2 By mossfordgreen Jul 7, 1938 Germany marches into Austria and takes it over. Sep 3, 1939 The Prime Minister of Britain, Neville Chamberlain, declares war on Germany. Sep 17, 1939 The Soviet Union invades Poland from the east. May 10, 1940 Winston Churchill becomes the new British Prime Minister, replacing Neville Chamberlain.
