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  Austria Hungary declares war on Serbia
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  The Lusitania sunk by German u-boat
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  germany defeats british: tanks first introduced to battle
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  president woodrow wilson is reelected
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  Germany sends zimmeman note to mexico, intercepted by British, leads to the US joining the war
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  russia refuses to fight any longer
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  us declares war on germany
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  congress sets up the selective service act for more military enrollment
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  pres wilson issues his 14 point peace plan
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  Germany signs the armistice at Compiegne, France. Fighting ends
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  19th amendment is ratified, women can vote
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  40,000 klu klux klansmen march on washington
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  Buster Keaton's comedy classic The General, considered by many to be the greatest silent film ever made, premieres
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  Charles Lindbergh completes the first solo transatlantic flight, landing his "Spirit of Saint Louis" in Paris
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  Babe Ruth hits his 60th home run of the season, breaking his own record of 59. Ruth's record will stand for more than thirty years.
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  Fifteen nations, including the United States, sign the Kellogg-Briand pact "outlawing" war
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  Hoover elected to the presidency
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  Walt Disney's Steamboat Willie premieres, introducing the world to a new animated character Mickey mouse
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  The American stock market collapses, signaling the onset of the Great Depression
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  In the "Saint Valentine's Day Massacre," the single bloodiest incident in a decade-long turf war between rival Chicago mobsters fighting to control the lucrative bootlegging trade, members of Al Capone's gang murder six followers of rival Bugs Moran.
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  germany invades denmark and norway april 9th - june 9th
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  italy enters the way and invades southern france on june 21
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  bulgaria joines the axis powers
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  germany, italy, hungary, bulgaria invade yugoslavia. yugoslavia surrenders april 17
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  Nazi Germany and its Axis partners (except Bulgaria) invade the Soviet Union
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  japanm bombs pearl harbor causing the US to join the war
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  By mid-August, the Allies control Sicily.
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  Within six weeks, Anglo-American bombers could hit targets in eastern Germany for the first time.
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  Germany surrenders to the western allies
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  Having agreed in principle to unconditional surrender on August 14, 1945, Japan formally surrenders, ending World War II.
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  People of italy voted to abloish the monarchy and establish a republic.
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  President Truman went before Congress and requested support for Greece as well as for Turkey. A total of $400 million was requested.
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  The hydrogen bomb revolutionized nuclear technology and gave a decisive advantage to the United States in the perpetual arms race.
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  Senator Joseph McCarthy began what would later be known as a Communist witch hunt. He was later jailed fro false accusations towards people he belived to be communists
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  The United States entered the Korean War along with the UN in an effort to stop the advancing Communist army of North Korea.
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  Famous actress Lucille Ball starred in a T.V. series that challenged the traditional views of American households.
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  Public fear of Communism ultimately led to the first election of a Republican in 20 years.
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  The Geneva Confrence attempted to try to find a way to unify Korea. The Soviet Union, the United States, France, the United Kingdom, and the People's Republic of China were participants throughout the whole conference.
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  His debut album Elvis Presley reached #1 for ten weeks and permanently altered American music culture.
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  The launch of Sputnik was an event that marked the start of the space age and the U.S.-U.S.S.R space race.