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Social Science Dates

World War II Important dates to know

The Mukden Incident between Nationalist Chinese and Imperial Japanese forces in Manchuria leads to the invasion of Manchuria by Japan.
Italy begins its invasion of Ethiopia, which lasts until May 1936.
Hitler remilitarizes the Rhineland.
Outbreak of the Spanish Civil War
The Rome-Berlin Axis is announced
Nazi Germany and Imperial Japan sign the Anti-Comintern Pact.
Japan invades China, beginning the Sino-Japanese War.
Nazi Germany carries out the Anschluss with Austria
Nazi Germany, Fascist Italy, Great Britain, and France sign the Munich Agreement, ceding the Sudetenland from Czechoslovakia to Germany.
Germany absorbs the remainder of Czechoslovakia in violation of the Munich Agreement.
The Spanish Civil War ends.
Italy annexes Albania.
Germany and the Soviet Union sign the Molotov–Ribbentrop Pact, which includes the secret protocols for the division of Poland.
Hitler signs an order authorizing the invasion of Poland.
Germany invades Poland, beginning World War II in Europe.
Great Britain and France declare war on Germany.
The Soviet Union invades Poland.
The surrender of Warsaw and the partition of Poland between Germany and the Soviet Union
The Soviet Union invades Finland, beginning the Winter War that would last until March 12, 1940
Germany invades Denmark and Norway, with Denmark surrendering immediately and Norway holding out until June 9.
Germany begins its invasion of the Low Countries and France.
The evacuation of British forces from Dunkirk begins.
Italy declares war on France.
France signs an armistice with Germany, leaving Great Britain as the only major European power opposed to Hitler.
The Battle of Britain begins, lasting through October 31.
Italy invades British-controlled Egypt.
Japanese troops occupy French Indochina
Germany, Italy, and Japan sign the Tripartite Agreement.
Italy invades Greece.
The Lend-Lease Bill is introduced in the U.S. Congress.
Hitler dispatches the Afrika Korps to North Africa to aid Italian efforts
Germany invades Yugoslavia and Greece.
Germany launches Operation Barbarossa, the invasion of the Soviet Union.
The Japanese launch a surprise attack on the U.S. Pacific Fleet base at Pearl Harbor.
The U.S. declares war on Japan; Japanese forces invade the Philippines and Singapore.
Germany and Italy declare war on the U.S.
The Wannsee Conference takes place, laying the groundwork for the Final Solution.
The Battle of the Java Sea
The last American forces in the Bataan Peninsula surrender.
The Doolittle Raid on Tokyo
American forces on the island of Corregidor in Manila Bay surrender.
The Battle of the Coral Sea halts a Japanese attempt to seize Port Moresby
The Battle of Midway turns the tide of the war in the Pacific in favor of the U.S
U.S. Marines land on the island of Guadalcanal, initiating the American offensive in the Pacific.
The Battle of Stalingrad begins
The British Eighth Army in Egypt scores a key victory over Rommel at the Second Battle of El Alamein.
American and British troops invade Vichy French-controlled North Africa in Operation Torch.
The Soviets launch a major counter-offensive at Stalingrad
The Casablanca Conference is held.
The German Sixth Army surrenders at Stalingrad.
The Battle of Kasserine Pass
The Warsaw Ghetto Uprising begins.
Axis forces in Tunisia surrender to the Allies
The Battle of Kursk
American and British forces begin an invasion of Sicily in preparation for an invasion of Italy
Mussolini is ousted as prime minister and replaced by Pietro Badoglio
Allied troops land in Italy.
Italy surrenders to the Allied powers, leading to the German seizure of key installations and sites around the country.
American troops come ashore at Salerno, Italy.
American forces attack the island of Tarawa in the Pacific.
The Cairo Conference is held
Allied forces land at Anzio in Italy, with the aim of breaking the stalemate along the Gustav Line anchored on Monte Cassino.
Allied bombing of the abbey at Monte Cassino
The Allies break through the Gustav Line in central Italy
Allied forces carry out Operation Overlord, the invasion of France
American forces invade the island of Saipan in the Pacific
“The Great Marianas Turkey Shoot,” otherwise known as the Battle of the Philippines Sea
Operation Bagration is launched by the Red Army on the Eastern Front.
U.S. forces secure Saipan
Failed assassination attempt against Adolf Hitler by members of the German Army
Liberation of Majdanek
Operation Cobra allows for Allied forces to break out of the Normandy beachheads.
The Warsaw Uprising begins, as the Polish Home Army attempts to wrest control of Warsaw from the Nazis. The fighting continues until early October, when German forces succeed in extinguishing it.
American and French forces carry out Operation Dragoon, the invasion of southern France
Paris is liberated by Free French forces
American forces land on the island of Peleliu in the Pacific
Operation Market-Garden begins.
American forces land on Leyte, beginning the American liberation of the Philippines.
The systematic bombing of Japan by U.S. forces begins
The German offensive in the Ardennes, the Battle of the Bulge, begins.
The German advance in the Battle of the Bulge is halted thirty miles west of Bastogne.
The German siege of Bastogne is lifted by American armor units
The Soviets launch a major offensive along the Eastern Front that will lead to the capture of Warsaw and Krakow
Created by: H.Raja
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