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The first atomic bomb was developed and was later dropped over the city of Hiroshima, Japan. -
Known as D-Day when 156,000 American, British, and Canadian forces landed on the beach against a heavily fortified coast of France's Normandy region. -
President Roosevelt dies suddenly and Vice President Truman has to step in and take charge of WWII. -
It would grant $400 million in aid to Greece and Turkey to battle Communist terrorism. -
The Soviet Union made a land blockade on the Allied sectors of Berlin, Germany. -
It was a war between North Korea and South Korea. It began when North Korea invaded South Korea following clashes along the border.