Germany and USSR sign Non-Aggression Pact with secret division of Poland.
Germany invades Poland.
Britain and France issue ultimatum, then declare war (September 3, 1939).
USA remains neutral but supplies Britain.
Battle of the Atlantic begins.
1939: "Phoney War" - quiet period in Western Europe.
1940 Overview
Rationing starts in the UK.
German "Blitzkrieg" overwhelms Belgium, Holland, France, Denmark, and Norway.
Churchill becomes Prime Minister of Britain.
British Expeditionary Force evacuated from Dunkirk.
British victory in Battle of Britain forces Hitler to postpone invasion.
Blitzkrieg: German tactic with fast tanks and air superiority.
Evacuation of Dunkirk (May 26 - June 4, 1940)
British, Belgian, and French troops evacuated from Dunkirk.
Over 338,000 troops rescued using various craft.
Fall of France
France signs armistice with Germany.
Vichy government controls Paris; Germany controls the rest.
Charles de Gaulle flees to England, leads Free French.
Battle for Britain (1940)
Hitler aims for air superiority to invade Britain.
Fought solely in the air, July-September.
Britain's radar and strategic decisions led to victory.
The Blitz (1940-1945)
Bombing of British cities.
Underground Tube used as bomb shelters.
40,000 civilian lives lost.
Summary 1941: The War Goes Global
Hitler begins Operation Barbarossa (invasion of Russia).
Allies take Tobruk in North Africa.
Japan attacks Pearl Harbor; US enters the war.
Germany invades Greece and Yugoslavia.
1941 Operation Barbarossa (Invasion of USSR)
June 1941: Operation Barbarossa began, initial swift advance.
December: Soviets counterattacked; Eastern Front stagnated.
The bitter Russian winter crippled the Germans.
Europe 1941 Bombing Raids
The Blitz Intensified in England.
German bombing of British cathedral cities continued.
The first thousand-bomber British air raids on Cologne were carried out.
Summary 1942
First Americans arrive in England.
Singapore fell to the Japanese in February - around 25,000 prisoners taken.
In North Africa Field Marshal Erwin Rommel's Afrika Korps began their counter-offensive, capturing Tobruk in June.
American naval victory at Battle of Midway, in June, marks turning point in Pacific War.
Mass murder of Jewish people at Auschwitz began.
1942 The Tide Turns
News of mass murders of Jewish people by the Nazis reached the Allies. US pledged to avenge these crimes.
British forces under Montgomery gained the initiative in North Africa at El Alamein.
Russian forces counterattacked at Stalingrad.
Summary 1943
German surrender in February at Stalingrad marked Germany's first major defeat.
Allied victory in North Africa enabled invasion of Italy to be launched.
Italy surrendered, but Germany took over the battle.
Battle continued to rage in the Atlantic, and one four-day period in March saw 27 merchant vessels sunk by German U-boats.
European Theatre: The Battle of the Atlantic Ends
Enormous losses on the German U-boats: a combination of long-range aircraft and the codebreakers at Bletchley.
Towards the end of May Admiral Dönitz withdrew the German fleet from the contended areas - the Battle of the Atlantic was effectively over.
1943 Italy (Axis Power) in trouble; Germans move into Italy
In mid-May German and Italian forces in North Africa surrendered to the Allies
Tunisia used as a springboard to invade Sicily in July.
By the end of the July Mussolini had fallen, and in September the Italians surrendered to the Allies, prompting a German invasion into northern Italy.
Mussolini was rescued by a German task force and established a fascist republic in the north.
German troops also engaged the Allies in the south - the fight through Italy was to prove slow and costly.
1943 Allied Assault on Germany Intensified.
The Russian advance on the Eastern Front gathered pace, recapturing cities from Germany.
Allied bombers began to attack German cities in enormous daylight air raids.
The opening of the Second Front in Europe, long discussed and always postponed, was being prepared for the following year.
Summary 1944
Allies land in Central Italy
Soviet offensive gathers pace in Eastern Europe.
D Day: The Allied invasion of France. Paris is liberated in August.
Guam liberated by the US.
Okinawa, and Iwo Jima bombed.
1944 Liberation of Italy and the D-Day Landings.
The Allied advance in Italy continued with landings in central Italy (Anzio), in January.
Only at the end of May did the Germans retreat from Anzio. Rome was liberated in June, the day before the Allies' 'Operation Overlord', now known as the D-Day landings.