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Germany invaded Poland (German Blitzkrieg)
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 of troops, tanks, and artillery. -
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The Battle of France (The Fall of France)
The Battle of France, also known as the Fall of France, was the German invasion of France and the Low Countries during the Second World War. -
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The Battle of Britain
In the summer and fall of 1940, German and British air forces clashed in the skies over the United Kingdom, locked in the largest sustained bombing campaign to that date. A significant turning point of World War II, the Battle of Britain ended when Germany’s Luftwaffe failed to gain air superiority over the Royal Air Force despite months of targeting Britain’s air bases, military posts and, ultimately, its civilian population. -
Lend Lease Act
Proposed in late 1940 and passed in March 1941, the Lend-Lease Act was the principal means for providing U.S. military aid to foreign nations during World War II. By allowing the transfer of supplies without compensation to Britain, China, the Soviet Union and other countries, the act permitted the United States to support its war interests without being overextended in battle. -
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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. Barbarossa was the crucial turning point in World War II, for its failure forced Nazi Germany to fight a two-front war against a coalition possessing immensely superior resources. -
Attack on Pearl Harbor
On December 7, 1941. Just before 8 a.m. on that Sunday morning, hundreds of Japanese fighter planes descended on the base, where they managed to destroy or damage nearly 20 American naval vessels, including eight enormous battleships, and over 300 airplanes. More than 2,400 Americans died in the attack, including civilians, and another 1,000 people were wounded. The day after the assault, President Franklin D. Roosevelt asked Congress to declare war on Japan. -
US Declared war on the Japanese Empire
On this day, as America’s Pacific fleet lay in ruins at Pearl Harbor, President Franklin Roosevelt requests, and receives, a declaration of war against Japan. -
Bataan Death March
After the April 9, 1942, U.S. surrender of the Bataan Peninsula on the main Philippine island of Luzon to the Japanese during World War II (1939-45), the approximately 75,000 Filipino and American troops on Bataan were forced to make an arduous 65-mile march to prison camps. The marchers made the trek in intense heat and were subjected to harsh treatment by Japanese guards. Thousands perished in what became known as the Bataan Death March. -
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The Battle of Midway
Six months after the attack on Pearl Harbor, the United States defeated Japan in one of the most decisive naval battles of World War II. The United States was able to preempt and counter Japan’s planned ambush of its few remaining aircraft carriers, inflicting permanent damage on the Japanese Navy. An important turning point in the Pacific campaign, the victory allowed the United States and its allies to move into an offensive position. -
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The Battle of Stalingrad
The successful Soviet defense of the city of Stalingrad in the U.S.S.R. during World War II. Russians consider it to be the greatest battle of their Great Patriotic War and consider it to be the greatest battle of the entire conflict. It stopped the German advance into the Soviet Union and marked the turning of the tide of war in favor of the Allies. The Battle of Stalingrad was one of the bloodiest battles in history. -
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Warsaw Ghetto Uprising
From April 19 to May 16, 1943, during World War II, residents of the Jewish ghetto in Nazi-occupied Warsaw, Poland, staged an armed revolt against deportations to extermination camps. The Warsaw ghetto uprising inspired other revolts in extermination camps and ghettos throughout German-occupied Eastern Europe. -
D-Day
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, The invasion was one of the largest amphibious military assaults in history and required extensive planning. Prior to D-Day, the Allies conducted a large-scale deception campaign designed to mislead the Germans about the intended invasion target. -
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The Liberation of Concentration Camps
Soviet soldiers were the first to liberate concentration camp prisoners in the final stages of the war. On July 23, 1944, they entered the Majdanek camp in Poland and later overran several other killing centers. On January 27, 1945, they entered Auschwitz and there found hundreds of sick and exhausted prisoners. The Germans had been forced to leave these prisoners behind in their hasty retreat from the camp. -
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Battle of the Bulge
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. -
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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. -
Bombing of Hiroshima and Nagasaki (V-J Day)
On August 6, 1945, during World War II, an American B-29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima. Three days later, a second B-29 dropped another A-bomb on Nagasaki, killing an estimated 40,000 people. Japan’s Emperor Hirohito announced his country’s unconditional surrender in World War II in a radio address on August 15, citing the devastating power of “a new and most cruel bomb.”
