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  • Day In History

This Day in History This Day in History
JUNE 21, 2023

Return to Daily IQ
  • The U.S. Constitution went into effect when New Hampshire became the 9th state to ratify it.
    1788
    Constitution ratified
    The U.S. Constitution went into effect when New Hampshire became the 9th state to ratify it.
  • 1527

    Italian statesman, diplomat, and author of “The Prince,” Niccolo Machiavelli died.

  • 1834

    Cyrus McCormick's mechanical reaper was patented.

  • 1964

    Three civil rights workers—James E. Chaney, 21; Andrew Goodman, 21; and Michael Schwerner, 24—disappeared in Philadelphia, Miss. In 2005, 41 years after the disappearance, Edgar Killen was convicted of their murders.

  • 1982

    John Hinckley was found not guilty by reason of insanity for the attempted murder of President Ronald Reagan.

  • 1989

    The U.S. Supreme Court decided that burning the U.S. flag was protected under the First Amendment.

  • 1997

    The WNBA made its debut.

  • 2004

    Michael Melvill pilots the first privately-developed spacecraft,SpaceShipOne, into space.

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