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  It was invented by Henry ford.
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  The Zimmerman Telegram was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico if the United States entered World War I against Germany.
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  It was the ceasefire that ended hostilities between the Allies and Germany.
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  Representative James R. Mann wrote the 19th amendment.
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  Charles A. Lindbergh completed the first solo, from Long Island, New York, to Paris, France.
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  this is considered the first day of the stock market crash in 1929.
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  Hitler attained power in March 1933 after the Reichstag adopted the Enabling Act of 1933, granting him expanded authority.
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  permitted German annexation of the Sudetenland, in western Czechoslovakia.
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  from 1933 to 1939
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  this lead to ww2
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  the pearl harbor attack was a surprise attack by Imperial Japanese Navy Air Service.
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  Normandy landings
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  The United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki.
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  The United Nations is an intergovernmental organization aiming to maintain international peace and security.
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  it was an 8,000 word telegram.
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  The Soviet atomic bomb project was the classified research and development program that was authorized by Joseph Stalin in the Soviet Union to develop nuclear weapons during World War II.
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  North Atlantic Treaty Organization
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  fought between north Korea and south Korea.
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  Dec 9, 1952 – May 17, 1954
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  The Vietnam War, also known as the Second Indochina War
Nov 1, 1955 – Apr 30, 1975 - 
  
  Parks was arrested on December 1, 1955, after she refused to give up her seat on a crowded bus to a white passenger.
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  Oct 16, 1962 – Oct 28, 1962
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  His last words were "no you certainly cant" in response to "Mr. President, you can't say Dallas doesn't love you"
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  Apollo 11 was the spaceflight that first landed humans on the Moon.
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  police arrested burglars in the Democratic National Committee headquarters at the Watergate complex in Washington, D.C. Evidence linked the break-in to President Richard Nixon's re-election campaign.
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  North Vietnamese warships purportedly attacked United States warships
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  Richard Nixon's resignation speech
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  Computer scientists Vinton Cerf and Bob Kahn
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  Starting at midnight that day, he said, citizens of the GDR were free to cross the country's borders.
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  9/11 were a series of four coordinated terrorist attacks by the militant Islamist terrorist group al-Qaeda against the United States
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  December 12, 2019 A cluster of patients in Wuhan, Hubei Providence, China begin to experience shortness of breath and fever.