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World War II Timeline

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    World War 2 Events

  • Japanese Invasion of China

    Japanese Invasion of China
    In 1937 skirmishing between Japanese and Chinese troops on the frontier led to what became known as the Marco Polo Bridge Incident. This fighting sparked a full-blown conflict, the Second Sino-Japanese War. Under the terms of the Sian Agreement, the Chinese Nationalists (KMT) and the CCP now agreed to fight side by side against Japan. The Communists had been encouraged to negotiate with the KMT by Stalin.
  • Germany's Invasion of Poland

    Germany's Invasion of Poland
    On September 1, 1939, Germany invaded Poland. The Polish army was defeated within weeks of the invasion. From East Prussia and Germany in the north and Silesia and Slovakia in the south, German units, with more than 2,000 tanks and over 1,000 planes, broke through Polish defenses along the border and advanced on Warsaw in a massive encirclement attack. After heavy shelling and bombing, Warsaw surrendered to the Germans on September 27, 1939.
  • German Blitzkreig (Lighting War)

    German Blitzkreig (Lighting War)
    In the first phase of World War II in Europe, Germany sought to avoid a long war. Germany successfully used the Blitzkrieg tactic against Poland (attacked in September 1939), Denmark (April 1940), Norway (April 1940), Belgium (May 1940), the Netherlands (May 1940), Luxembourg (May 1940), France (May 1940), Yugoslavia (April 1941), and Greece (April 1941). Germany did not defeat Great Britain, which was protected from German ground attack by the English Channel and the Royal Navy.
  • Operation Barbarossa

    Operation Barbarossa
    On June 22, 1941, Adolf Hitler launched his armies eastward in a massive invasion of the Soviet Union: three great army groups with over three million German soldiers, 150 divisions, and three thousand tanks smashed across the frontier into Soviet territory. The invasion covered a front from the North Cape to the Black Sea, a distance of two thousand miles. By this point German combat effectiveness had reached its apogee.
  • Pearl Habor

    Pearl Habor
    ust before 8 a.m. on December 7, 1941, hundreds of Japanese fighter planes attacked the American naval base at Pearl Harbor near Honolulu, Hawaii. The barrage lasted just two hours, but it was devastating: The Japanese managed to destroy nearly 20 American naval vessels, including eight enormous battleships, and almost 200 airplanes. More than 2,000 Americans soldiers and sailors died in the attack, and another 1,000 were wounded.
  • Battle of Midway

    Battle of Midway
    American combat forces took over where intelligence efforts left off. Scouts found the Japanese early in the morning of June 4. Although initial strikes by Midway-based planes were not successful, American carrier-based planes turned the tide. Torpedo bombers became separated from the American dive-bombers and were slaughtered (36 of 42 shot down), but they diverted Japanese defenses just in time for the dive-bombers to arrive.
  • D-Day (Normandy Invasion)

    D-Day (Normandy Invasion)
    It is hard to conceive the epic scope of this decisive battle that foreshadowed the end of Hitlers dream of Nazi domination. Overlord was the largest air, land, and sea operation undertaken before or since June 6, 1944. The landing included over 5,000 ships, 11,000 airplanes, and over 150,000 service men.

 After years of meticulous planning and seemingly endless training, for the Allied Forces, it all came down to this: The boat ramp goes down, then jump, swim, run, and crawl to the cliffs.
  • Battle of Okinawa

    Battle of Okinawa
    Japanese forces changed their typical tactics of resisting at the water’s edge to a defense in depth, designed to gain time. In conjunction with this, the Japanese navy and army mounted mass air attacks by planes on one-way “suicide” missions; the Japanese also sent their last big battleship, the Yamato, on a similar mission with a few escorts. The “special attack” kamikaze tactics the Japanese used on these missions.
  • VE Day

    VE Day
    On this day in 1945, both Great Britain and the United States celebrate Victory in Europe Day. Cities in both nations, as well as formerly occupied cities in Western Europe, put out flags and banners, rejoicing in the defeat of the Nazi war machine. The eighth of May spelled the day when German troops throughout Europe finally laid down their arms: In Prague, Germans surrendered to their Soviet antagonists.
  • Dropping of the Atomic Bombs

    Dropping of the Atomic Bombs
    The United States becomes the first and only nation to use atomic weaponry during wartime when it drops an atomic bomb on the Japanese city of Hiroshima. Though the dropping of the atomic bomb on Japan marked the end of World War II, many historians argue that it also ignited the Cold War. If U.S. officials truly believed that they could use their atomic monopoly for diplomatic advantage, they had little time to put their plan into action.
  • VJ Day

    VJ Day
    On August 14, 1945, it was announced that Japan had surrendered unconditionally to the Allies, effectively ending World War II. Since then, both August 14 and August 15 have been known as “Victoryover Japan Day,” or simply “V-J Day.” The term has also been used for September 2, 1945, when Japan’s formal surrender took place aboard the U.S.S. Missouri, anchored in Tokyo Bay.
  • Battle of the Bulge

    Battle of the Bulge
    In December 1944, Adolph Hitler attempted to split the Allied armies in northwest Europe by means of a surprise blitzkrieg thrust through the Ardennes to Antwerp. Caught off-guard, American units fought desperate battles to stem the German advance at St.-Vith, Elsenborn Ridge, Houffalize and Bastogne. As the Germans drove deeper into the Ardennes in an attempt to secure vital bridgeheads, the Allied line took on the appearance of a large bulge, giving rise to the battle’s name.