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The first atomic bomb was made and was signed into an agreement between Great Britain and the the United States.
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First American line of offensive troops landed on Guadalcanal in the Solomon Islands
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A three day conference between Roosevelt, Churchill, and Soviet leader Stalin. Was held to plan an invasion of Europe for June of 1944.
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Allied soldiers invasion through the beaches of Normandy that began the invasion of Europe.
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American troops invade Okinawa.
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President Roosevelt dies and vice president Harry S. Truman becomes president.
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Germany surrenders in Reims, France. This ends WWII in Europe
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President Truman gives the green light to drop an atomic bomb on Hiroshima, Japan. Another atomic bomb is dropped on Nagasaki, Japan three days later. The emperor of Japan surrenders.
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Passed by U.S. congress, this action gives $400 million to Turkey and Greece to help them fight communism.
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The USSR starts a blockade in the Allied sectors of Berlin.
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A treaty formed between United States, Canada, and ten other Western European nations and named the North American Treaty Organization.
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North Korea along with Soviet help start an invasion into South Korea and begins a three year conflict. Two days after the conflict starts, president Truman orders the air force and navy to enter into the peninsula.
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The first hydrogen bomb, named Mike, is dropped in the Pacific Ocean.
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British physicist Francis Crick, American scientist James Watson, and New Zealand scientist Maurice Wilkins publish their findings of the double helix DNA molecule.