World War II By elips May 26, 1937 Neutrality ACts of 1937: cash and carry Oct 5, 1937 FDR's Quarantine Speech Sep 1, 1939 Nazis invade Polland Sep 3, 1939 Britain, France, Australia and New Zealand declare war on Germany Sep 5, 1939 U.S. proclaims neutrality Nov 26, 1939 Neutrality Acts of 1939 Neutrality Acts of 1935 and 1937 were repealed Apr 9, 1940 Nazis invade Denmark and Norway Sep 27, 1940 Tripartite (Axis) Pact signed by Germany, Italy and Japan Mar 11, 1941 President Roosevelt signs the Lend-Lease Act Jul 26, 1941 Roosevelt freezes Japanese assets in United States and suspends relations Oct 31, 1941 Reuben James Dec 7, 1941 Japanese bomb Pearl Harbor Dec 8, 1941 U.S. and Britain declare war on Japan