On this date in history:

In 1819, a treaty with Spain ceded Florida to the United States.

In 1855, 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 1973, Israeli fighter planes shot down a Libyan commercial airliner, killing 108 of the 113 people aboard. The military apparently believed the airliner was a security threat in Israeli-controlled airspace. (Israel's defense minister later said there was an error in judgment by the military. Israel paid reparations to the families of the victims.)

In 1980, in one of the most dramatic upsets in Olympics 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 Winter Games in Lake Placid, N.Y.

In 1987, artist Andy Warhol died of heart failure at age 58.

In 2004, rebels attacked a refugee camp in northern Uganda, killing at least 192 people.

In 2005, a powerful earthquake struck Iran, killing more than 500 people.

In 2010, U.S. President Barack Obama announced his plan for a healthcare reform bill.

In 2011, a 6.3-magnitude earthquake severely damaged Christchurch, New Zealand's second largest city, killing 185 people and injuring as many as 2,000.

In 2014, Ukraine's Parliament ousted President Viktor Yanukovych following a period of violence that killed scores of people. In Italy, Matteo Renzi, 39, was sworn in as the youngest prime minister in the country's history

Copyright 2015 by United Press International