1776 In Philadelphia, Thomas Paine publishes Common Sense, a pamphlet that set the American colonies afire with a longing for independence.
1788 Connecticut becomes the fifth state to ratify the Constitution.
1861 Florida secedes from the Union.
1785 Congress relocates from Trenton, New Jersey, to New York City, the nation's new temporary capital.
1861 Alabama secedes from the Union.
1773 The first public museum in America is established in Charleston, South Carolina.
1906 The Dow Jones Industrial Average closes above 100 for the first time.
1910 In an early radio demonstration, opera star Enrico Caruso is broadcast live from the Metropolitan Opera in New York.
1990 Douglas Wilder of Virginia is sworn in as the nation's first elected black governor.
1892 The rules of basketball are first published in Springfield, Massachusetts.
1929 Martin Luther King, Jr., is born in Atlanta, Georgia.