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The Model T was the first affordable car that enabled many Americans to own an automobile.
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A secret German message promising Mexico U.S. land in exchange for joining WWI against the U.S. was intercepted.
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World War I ended when Germany signed an armistice agreement with the Allies.
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Women in the U.S. gained the right to vote after decades of activism.
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Lindbergh completed the first solo nonstop flight across the Atlantic Ocean.
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The stock market crashed, signaling the start of the Great Depression.
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Adolf Hitler became the leader of Germany, beginning the Nazi dictatorship.
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President Franklin D. Roosevelt introduced programs to help the U.S. recover from the Great Depression.
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Britain and France allowed Hitler to annex part of Czechoslovakia to avoid war.
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Germany’s attack on Poland started World War II in Europe.
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Japan attacked the U.S. naval base in Hawaii, leading the U.S. into World War II.
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Allied forces landed in Normandy, France, to begin liberating Western Europe from Nazi control.
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The U.S. dropped an atomic bomb on Hiroshima, Japan, during World War II.
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A second atomic bomb was dropped on Nagasaki, leading to Japan’s surrender.
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The UN was established to promote international peace and cooperation following World War II.
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U.S. diplomat George Kennan warned about Soviet expansion and the threat of communism.
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The U.S. and Western allies formed a military alliance to counter the Soviet Union.
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The Soviet Union successfully tested its first atomic bomb, starting the nuclear arms race.
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North Korea invaded South Korea, starting a conflict that involved the U.S. and other nations.
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The Supreme Court declared racial segregation in public schools unconstitutional.
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A long conflict between communist North Vietnam and South Vietnam, with U.S. involvement.
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A long conflict between communist North Vietnam and South Vietnam, with U.S. involvement.
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Rosa Parks’ arrest sparked the Montgomery Bus Boycott and the civil rights movement.
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The U.S. and USSR faced off over Soviet nuclear missiles in Cuba, nearly causing nuclear war.
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President John F. Kennedy was assassinated in Dallas, Texas.
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Congress allowed President Johnson to escalate U.S. military involvement in Vietnam.
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Neil Armstrong became the first human to walk on the Moon.
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A burglary at the Democratic National Committee led to a political scandal for Nixon.
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President Richard Nixon resigned due to the Watergate scandal.
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TCP/IP protocols made the modern Internet possible.
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East and West Berliners reunited, symbolizing the end of the Cold War.
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Terrorists hijacked planes and attacked the World Trade Center and the Pentagon.
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China reported the first cases of a new coronavirus that would spread worldwide.