1900-1920

  • Currency Act

    US currency goes on gold standard after Congress passes the Currency Act.
  • Open Door Policy

    US Secretary of State John Hay announces that all nations to whom he sent notes calling for an 'open door' policy in China have essentially accepted his stand.
  • Theodore Roosevelt

    He became the 26th president of the United States.
  • AAA

    American Automobile Association (AAA) founded in Chicago.
  • Model A

    The original Ford Model A was the first car produced by Ford Motor Company, beginning production in 1903.
  • Panama Canal Zone

    United States acquires control of the Panama Canal for $10 million.
  • Theodore Roosevelt/Nobel Peace Prize

    He offered his good offices as mediator between Russia and Japan, asking the belligerents to nominate plenipotentiaries to negotiate on the conditions of peace, he won the Nobel Peace Prize.
  • William Howard Taft

    He was inaugurated as the 27th president of the United States.
  • Arizona

    It was the 48th state admitted to the union.
  • Sixteenth Amendment is ratified

    The Sixteenth Amendment to the United States constitution allows the congress to levy an income tax without apportioning it among the states or basing it on census results.
  • Woodrow Wilson

    First inauguration of Woodrow Wilson as 28th US President.
  • Seventeenth Amendment

    The Seventeenth Amendment to the United States was ratified. Passed by senate June 12, 1911, the House of Representatives on May 13, 1912, and ratified by the states on April 8, 1913.
  • United States severs diplomatic relations with Germany

    The German ambassador to the United States, notified this government that on the following day, February 1, 1917, Germany would inaugurate a new policy of unrestricted submarine warfare.
  • Treaty of Sevres signed

    The treaty of Sevres was the peace treaty between the Ottoman Empire and Allies at the end of World War 1.