• Women given the right to vote

    August 18, 1920 - Women are given the right to vote when the 19th Amendment to the United States constitution grants universal women's suffrage. Also known as the Susan B. Anthony amendment, in recognition of her important campaign to win the right to vote.
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  • Victory for Warren G. Harding

    November 1920 - A landslide victory for Warren G. Harding in both the Electoral College and popular vote returns the Republican Party to the White House. Harding gained over 16 million popular votes to Democratic candidate James M. Cox's 9 million and won the Electoral contest with a 404 to 127 landslide. This was the first election in which women had the right to vote.
  • Curbing illegal immigration

    May 19, 1921 - A national quota system on the amount of incoming immigrants was established by the United States Congress in the Emergency Quota Act, curbing legal immigration.
  • Peace in World War I

    July 2, 1921 - A Congressional resolution by both houses is signed by President Warren G. Harding, declaring peace in World War I hostilities with Germany, Austria, and Hungary. The treaties would be executed one month later.
  • Teapot Dome Scandal

    April 7, 1922 - The Teapot Dome scandal begins when the U.S. Secretary of the Interior leases the Teapot Oil Reserves in Wyoming.
  • Warren G. Harding dies

    August 2, 1923 - President Warren G. Harding dies in office after becoming ill following a trip to Alaska, and is succeeded by his Vice President, Calvin Coolidge. Coolidge would oppose the League of Nations, but approved of the World Court.
  • Scopes Trial

    July 10, 1924 - The Scopes Trial or "Monkey Trial" begins and would later convict John T. Scopes of teaching Charles Darwin's evolutionary theory at a Dayton, Tennessee high school, which violated Tennessee law. He is fined $100 for the charge.
  • Calvin Coolidge becomes President

    November 1924 - Calvin Coolidge wins his first election as President, retaining the White House for the Republican Party over his Democratic foe, John W. Davis, and Progressive Party candidate Robert M. LaFollette. The Electoral margin was 382 to 136 (Davis) to 13 (LaFollette).
  • Charles Lindbergh

    May 20, 1927 - Charles Lindbergh leaves Roosevelt Field, New York on the first non-stop transatlantic flight in history. He would reach Paris thirty-three and one-half hours later in the Spirit of St. Louis, his aircraft. A ticker tape parade would be held in New York City after his return on June 13.
  • Herbert Hoover becomes president

    November 6, 1928 - Herbert Hoover wins election as President of the United States with an Electoral College victory, 444 to 87 over Democratic candidate Alfred E. Smith, the Catholic governor of New York.
  • Teapot Dome Scandal ends

    November 1, 1929 - The Teapot Dome scandal comes to a close when Albert B. Fall, the former Secretary of the Interior, is convicted of accepting a $100,000 bribe for leasing the Elk Hills naval oil reserve. He is sentenced to one year in jail and a $100,000 fine.