In 1819, a treaty with Spain ceded Florida to the United States.
In 1855, The Pennsylvania State University was founded in State College, Pa. It was originally called the Farmers' High School of Pennsylvania.
In 1862, Jefferson Davis was inaugurated as president of the Confederate States of America.
In 1879, Woolworth, the first chain store, opened in Utica, N.Y.
In 1889, Montana, North Dakota, South Dakota and Washington were admitted into the United States.
In 1959, the Daytona 500 was run for the first time. Lee Petty won the race.
In 1972, U.S. President Richard Nixon arrived in Beijing on a historic visit to China.
In 1973, Israeli fighter planes shot down a Libyan commercial airliner, killing 106 of the 113 people aboard.
In 1980, in one of the most dramatic upsets in Olympic history, the underdog U.S. hockey team, made up of collegians and second-tier professional players, defeated the defending champion Soviet team, regarded as the world's finest, 4-3 at the XIII Olympic Winter Games in Lake Placid, N.Y.
In 1987, artist Andy Warhol died of heart failure at age 58.