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After the annexation of Czechoslovakia, Hitler focused on Poland. He voided the non aggression pact with Poland, and then German invaded. German attacked on a number of fronts, and the Germans overwhelmed the Polish defense within two days.
http://www.schoolshistory.org.uk/EuropeatWar/blitzkrieg_poland.htm -
Upon Germany invading Paris, within a day the Gestapo arrested and interrogated people and a giant swastika was hung beneath the Arc de Triomphe. Over 2 million Parisians fled Paris, and Germany had control of Paris.
https://www.history.com/this-day-in-history/germans-enter-paris -
The Battle of Britain was the first air battle. Britain won against Germans constant air raids from July to September. This led to the demise of the Nazis.
https://www.britannica.com/event/Battle-of-Britain-European-history-1940 -
The Lend Lease provided U.S. military aid to foreign nations during World War II. The act enabled the British to keep fighting until events led America into the conflict. This brought America one step closer to entering the war.
https://www.history.com/topics/world-war-ii/lend-lease-act-1 -
Germany launched a surprise attack against the Soviet Union. By the end of the year, German troops had advanced almost 1,000 miles to the outskirts of Moscow. Soon after the invasion, killing units began the mass murder of Soviet Jews.
https://encyclopedia.ushmm.org/content/en/article/invasion-of-the-soviet-union-june-1941 -
Operation Barbarossa during World War II was the code name for the German invasion of the Soviet Union. It was the failure of German troops to defeat Soviet forces in the campaign signaled a crucial turning point in the war.
https://www.britannica.com/event/Operation-Barbarossa -
Japan bombed Pearl Harbor, and then the US entered the war because of it. This was a surprise attack.
https://www.history.com/topics/world-war-ii/pearl-harbor -
Four days after the attack on Pearl Harbor and the United States declaration of war against the Japanese, Germany declared war against the United States.
https://www.history.com/this-day-in.../germany-declares-war-on-the-united-states -
The Bataan Death March was the forcible transfer by the Imperial Japanese Army of 60,000–80,000 American and Filipino prisoners of war from Saysain Point, Bagac, Bataan and Mariveles to Camp O'Donnell, Capas, Tarlac, via San Fernando, Pampanga, where the prisoners were loaded onto trains.
https://www.britannica.com/event/Bataan-Death-March -
the United States defeated Japan in one of the most decisive naval battles of World War II. It was an important turning point in the Pacific campaign, the victory allowed the United States and its allies to move into an offensive position. https://www.history.com/topics/world-war-ii/battle-of-midway
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the Warsaw ghetto uprising began after German troops and police entered the ghetto to deport its surviving inhabitants. By May 16, 1943, the Germans had crushed the uprising and left the ghetto area in ruins. Surviving ghetto residents were deported to concentration camps or killing centers.
https://encyclopedia.ushmm.org/content/en/article/warsaw-ghetto-uprising -
Allied invasion of Normandy in Operation Overlord during World War II. Code named Operation Neptune and often referred to as D-Day, it was the largest seaborne invasion in history.
https://www.history.com/topics/world-war-ii/d-day -
The Battle of the Bulge was the last major German offensive campaign on the Western Front during World War II. It was launched through the densely forested Ardennes region. The Americans won and Germany lost. This was a turning point in the war.
https://www.army.mil/botb/ -
The Battle of Iwo Jima was a major battle in which the United States Marine Corps landed on and eventually captured the island of Iwo Jima from the Imperial Japanese Army during World War II. This was an important victory for the US. https://www.history.com/topics/world-war-ii/battle-of-iwo-jima
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Soviet forces liberated Auschwitz—the largest killing center and concentration camp complex—in January 1945. The Soviets also overran the sites of the Belzec, Sobibor, and Treblinka killing centers. British forces liberated concentration camps in northern Germany, including Neuengamme and Bergen-Belsen.
https://encyclopedia.ushmm.org/content/en/article/liberation-of-nazi-camps -
To end their feud with japan, the US bombed Hiroshima and Nagasaki. This ended their feud.
https://www.history.com/topics/world-war-ii/bombing-of-hiroshima-and-nagasaki