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Japanese invasion of China
A clash occurred between Chinese and Japanese troops near Peiping in North China. 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.
(https://www.mtholyoke.edu/acad/intrel/WorldWar2/china.htm) -
Germany's invasion of Poland
1.5 million German troops invade Poland all along its 1,750-mile border with German-controlled territory. Simultaneously, the German Luftwaffe bombed Polish airfields, and German warships and U-boats attacked Polish naval forces in the Baltic Sea. Nazi leader Adolf Hitler claimed the massive invasion was a defensive action, but Britain and France were not convinced.
(http://www.history.com/this-day-in-history/germans-invade-poland) -
German Blitzkrieg
A German term for “lightning war,” blitzkrieg is a military tactic designed to create disorganization among enemy forces through the use of mobile forces and locally concentrated firepower. German forces tried out the blitzkrieg in Poland in 1939 before successfully employing the tactic with invasions of Belgium, the Netherlands and France in 1940. (http://www.history.com/topics/world-war-ii/blitzkrieg) -
Operation Gomorrah
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.
(http://www.history.com/this-day-in-history/operation-gomorrah-is-launched) -
Operation Barbarossa
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. (http://www.history.com/topics/world-war-ii/operation-barbarossa) -
Pearl Harbor
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. (http://www.history.com/topics/world-war-ii/pearl-harbor) -
Wannsee Conference
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.” (http://www.history.com/this-day-in-history/the-wannsee-conference) -
D-Day
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 military assaults in history and required extensive planning. (http://www.history.com/topics/world-war-ii/d-day) -
Operation Thunderclap
A series of Allied firebombing raids begins against the German city of Dresden, reducing the “Florence of the Elbe” to rubble and flames, and killing as many as 135,000 people. It was the single most destructive bombing of the war—including Hiroshima and Nagasaki—and all the more horrendous because little, if anything, was accomplished strategically, since the Germans were already on the verge of surrender. (http://www.history.com/this-day-in-history/firebombing-of-dresden) -
Battle of Iwo Jima
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. (http://www.history.com/topics/world-war-ii/battle-of-iwo-jima) -
Battle of Okinawa
Last and biggest of the Pacific island battles of World War II, the Okinawa campaign 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 casualtiesbincluding 14,000 dead. (http://www.history.com/topics/world-war-ii/battle-of-okinawa) -
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. (http://www.history.com/this-day-in-history/victory-in-europe) -
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. (http://www.history.com/this-day-in-history/atomic-bomb-dropped-on-hiroshima) -
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. (http://www.history.com/topics/world-war-ii/v-j-day) -
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. (http://www.history.com/topics/world-war-ii/battle-of-the-bulge)
