Today is the 67th day of the year with 298 days remaining.
1618 - Johannes Kepler discovers the third law of planetary motion, the square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.
1655 - John Casor becomes the first legally-recognized slave in England's North American colonies.
1775 - An anonymous writer, thought by some to be Thomas Paine, publishes "African Slavery in America," the first article in the American colonies calling for the emancipation of slaves and the abolition of slavery.
1817 - The New York Stock Exchange drafts its constitution.
1862 - The iron-clad CSS Virginia, formerly the USS Merrimack, is launched at Hampton Roads, Virginia.
1910 - French aviator Raymonde de Laroche, becomes the first woman to receive a pilot's license.
1936 - Daytona Beach Road Course holds its first oval stock car race.
1949 - Mildred Gillars, Axis Sally, is condemned to prison for treason.
1979 - Philips demonstrates the Compact Disc publicly for the first time.
1983 - President Ronald Reagan calls the Soviet Union an "evil empire."
1999 - The Supreme Court upholds the murder convictions of Timothy McVeigh for the Oklahoma City bombing.