1790 - The Columbia returned to Boston Harbor after a three-year voyage. It was the first ship to carry the American flag around the world.
1831 - The first steam locomotive began its first trip between Schenectady and Albany, NY.
1842 - The U.S. and Canada signed the Webster-Ashburton Treaty, which solved a border dispute.
1859 - The escalator was patented by Nathan Ames.
1892 - Thomas Edison received a patent for a two-way telegraph.
1910 - A.J. Fisher received a patent for the electric washing machine.
1930 - Betty Boop had her beginning in "Dizzy Dishes" created by Max Fleischer.
1936 - Jesse Owens won his fourth gold medal at the Berlin Olympics. He was the first American to win four medals in one Olympics.
1944 - The Forest Service and Wartime Advertising Council created "Smokey the Bear."
1973 - The U.S. Senate committee investigating the Watergate affair filed suit against President Richard Nixon.
1974 - U.S. PresidentRichard Nixon formally resigned. Gerald R. Ford took his place, and became the 38th president of the U.S.
1975 - The New Orleans Superdome as officially opened when the Saints played the Houston Oilers in exhibition football. The new Superdome cost $163 million to build.
1981 - Major league baseball teams resumed play at the conclusion of the first mid-season players’ strike.
1988 - Wayne Gretzky of the Edmonton Oilers was traded. The trade was at Gretzky's request. He was sent to the Los Angeles Kings.
2000 - Former Dallas Cowboy Michael Irvin was arrested on a Class B misdemeanor of possession of less than 2 ounces of marijuana.