WW|| Timeline By hbrown07 Sep 3, 1939 Germany Invaded Poland Period: Sep 3, 1939 to Dec 8, 1941 World War 2 Sep 5, 1939 United States clearifies as neutral Nov 30, 1939 Finland is attacked by USSR May 10, 1940 Germany invades Francem Belgium, and Netherlands May 15, 1940 Netherlands Surrender May 28, 1940 Belgium Surrenders Oct 7, 1940 Battle of Britain has begun Dec 29, 1940 United States becomes Arsenal of Democracy Jan 7, 1941 Japan warns to attack Pearl Habor Jul 26, 1941 United States Freezes all Japans goods Dec 7, 1941 Japans attack Pearl Harbor Dec 8, 1941 United States declares war with Japan