1431: Joan of Arc was burned at the stake in Rouen, France, at the age of 19.
1539: Spanish explorer Hernando de Soto discovers Florida.
1848: Mexico ratifies treaty giving the United States New Mexico, California and parts of Nevada, Utah, Arizona & Colorado in return for $15 million.
1783: The first daily newspaper was published in the U.S. by Benjamin Towner called The Pennsylvania Evening Post.
1814: The First Treaty of Paris was declared, which returned France to its 1792 borders.
1848: W.G. Young patented the ice cream freezer.
1896: The first automobile accident occurred in New York City.
1911: Ray Harroun won the first Indianapolis 500 at an average speed of 74.59 MPH.
1958: Unidentified soldiers killed in World War II and the Korean conflicts were buried at Arlington National Cemetery.
1967: Daredevil Evel Knievel jumped 16 automobiles in a row in a motorcycle stunt at Ascot Speedway in Gardena, CA
2002: In New York, a ceremony was held to officially mark the end of the clean-up from the World Trade Center.