WWII Timeline Project

  • Japanese invasion of China (1937)

    When this clash was followed by indications of intensified military activity on the part of Japan, Secretary of State Hull urged upon the Japanese Government a policy of self-restraint. a few days after the beginning of Japan's undeclared war on China, Secretary Hull issued a statement of fundamental principles of international policy. Secretary stated that situation in which armed hostilities were in progress or were threatened was a situation wherein rights
  • German Blitzkrieg (1939)

    German Blitzkrieg (1939)
    Germany quickly overran much of Europe and was victorious for more than two years by relying on a new military tactic called the "Blitzkrieg" (lightning war). ... Despite the continuing war with Great Britain, German forces invaded the Soviet Union in June 1941. At first, the German Blitzkrieg seemed to succeed.some 1.5 million German troops invade Poland all along its 1,750-mile border with German-controlled territory.
  • Germany's invasion of Poland (1939)

    Germany's invasion of Poland (1939)
    German forces bombard Poland on land and from the air, as Adolf Hitler seeks to regain lost territory and ultimately rule Poland. World War II had begun The German invasion of Poland was a primer on how Hitler intended to wage war–what would become the “blitzkrieg” strategy. This was characterized by extensive bombing early on to destroy the enemy’s air capacity, railroads, communication lines, and munitions dumps, followed by a massive land invasion with overwhelming numbers.
  • Operation Barbarossa (1941)

    Operation Barbarossa (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; in training, doctrine, and fighting ability, the forces invading Russia represent.
  • Pearl Harbor (1941)

    Pearl Harbor (1941)
    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 more than 300 airplanes. More than 2,000 Americans soldiers and sailors died in the attack, and another 1,000 were wounded. The day after the assault, President Franklin D. Roosevelt asked Congress .
  • Wannsee Conference (1942)

    Wannsee Conference (1942)
    In July 1941, Herman Goering, writing under instructions from Hitler, had ordered Reinhard Heydrich, SS general and Heinrich Himmler’s number-two man, to submit “as soon as possible a general plan of the administrative, material, and financial measures necessary for carrying out the desired final solution of the Jewish question.”
  • Operation Gomorrah (1943)

    Operation Gomorrah (1943)
    British bombers raid Hamburg, Germany, by night in Operation Gomorrah, while Americans bomb it by day in its own “Blitz Week.” Britain had suffered the deaths of 167 civilians as a result of German bombing raids in July. Now the tables were going to turn. The evening of July 24 saw British aircraft drop 2,300 tons of incendiary bombs on Hamburg in just a few hours. The explosive power was the equivalent of what German bombers had dropped on London in their five most destructive raids.
  • Battle of the Bulge (1944)

    Battle of the Bulge (1944)
    On this day, the Germans launch the last major offensive of the war, Operation Mist, also known as the Ardennes Offensive and the Battle of the Bulge, an attempt to push the Allied front line west from northern France to northwestern Belgium. The Battle of the Bulge, so-called because the Germans created a “bulge” around the area of the Ardennes forest in pushing through the American defensive line, was the largest fought on the Western front.
  • D-Day (Normandy Invasion - 1944)

    D-Day (Normandy Invasion - 1944)
    During World War II (1939-1945), the Battle of Normandy, which lasted from June 1944 to August 1944, resulted in the Allied liberation of Western Europe from Nazi Germany’s control. Codenamed Operation Overlord, the battle began on June 6, 1944, also known as D-Day, when some 156,000 American, British and Canadian forces landed on five beaches along a 50-mile stretch of the heavily fortified coast of France’s Normandy region. The invasion was one of the largest amphibious.
  • Operation Thunderclap (1945)

    Operation Thunderclap (1945)
    was the code for a cancelled operation planned in August 1944 but shelved and never implemented. The plan envisaged a massive attack on Berlin in the belief that would cause 220,000 casualties with 110,000 killed, many of them key German personnel, which would shatter German morale.
  • Battle of Iwo Jima (1945)

    Battle of Iwo Jima (1945)
    The American amphibious invasion of Iwo Jima during World War II stemmed from the need for a base near the Japanese coast. Following elaborate preparatory air and naval bombardment, three U.S. marine divisions landed on the island in February 1945. Iwo Jima was defended by roughly 23,000 Japanese army and navy troops, who fought from an elaborate network of caves, dugouts, tunnels and underground installations. Despite the difficulty of the conditions, the marines wiped out.
  • VE Day (1945)

    VE Day (1945)
    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, after the latter had lost more than 8,000 soldiers, and the Germans .
  • Dropping of the atomic bombs (1945) VJ Day (1945)

    Dropping of the atomic bombs (1945) VJ Day (1945)
    three days after the bombing of Hiroshima, the United States dropped a second atomic bomb on the city of Nagasaki.
    The New York Times article reported that the dropping of the bomb occurred at noon, Japanese time. It described Nagasaki as “an important industrial and shipping area with a population of about 258,000” and “a port for transshipment of military supplies and the embarkation of troops in support of Japan’s operations in China, Formosa, Southeast Asia.
  • VJ Day (1945)

    VJ Day (1945)
    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. Coming several months after the surrender of Nazi Germany, Japan’s capitulation.
  • Battle of Okinawa (1945)

    Battle of Okinawa (1945)
    Last and biggest of the Pacific island battles of World War II, the Okinawa campaign (April 1—June 22, 1945) involved the 287,000 troops of the U.S. Tenth Army against 130,000 soldiers of the Japanese Thirty-second Army. At stake were air bases vital to the projected invasion of Japan. By the end of the 82-day campaign, Japan had lost more than 77,000 soldiers and the Allies had suffered more than 65,000 casualties—including 14,000 dead.