Pre-war Timeline :
1933 - Adolf Hitler is elected chancellor of Germany. He abolishes democracy and becomes a dictator. Japan and Germany leave the League of Nations
1935 - The German military enters the neutral Saar region, Hitler restores conscription to the German military.
1936 - The German military enters the demilitarized Rhine region. The German-Italian "axis" is formed.
1937 - Japan, which already occupies Manchuria, invades central China
1938 - Hitler annexes Austria and western Czechoslovakia.
Mar 1939 - Czechoslovakia surrenders to imminent German invasion
Apr 1939 - Hitler cancels the German British naval agreement and the polish-polish non-aggression pact. Italy invades Albania.
Jul 1939 - Polish intelligence passes all its knowledge about the German enigma machine to British and French intelligence
Aug 1939 - Germany and Russia sign non-aggression pact, secretly agreeing to invade Poland and share it. German u-boats and battleships sail to the Atlantic Ocean for war.
Adolf Hitler and Benito Mussolini in Munich, Germa...
Mussolini (left) and Hitler sent their armies to N...
According to Bullock, Hitler was an opportunistic ...World war 2 Timeline:
1939 Timeline
Sep 1 - Germany invades Poland, World War 2 begins.
Sep 3 - Britain and France declare war on Germany.
Sep 8 - The US remains neutral but president Roosevelt declares "limited national emergency".
Sep 17 - Russia invades Poland
Sep 27 - Warsaw surrenders
Oct 6 - The last remaining polish forces surrender
Nov 30 - Russia invades Finland
1940 Timeline
Jan 17 - The first German Enigma messages are decoded by British intelligence
Mar 12 - Russia-Finland war ends. It convinces Hitler that the Russian military is ineffective.
Apr 8 - Germany invades Denmark and Norway.
Apr 14 - British forces land in Narvik, Norway, but leave in 10 days
May 10 - Germany invades France, Holland, Belgium, Luxemburg. Winston Churchill becomes Britain's prime minister.
May 20 - German forces reach the British channel.
May 27 - Evacuation of British...