Miracle on Ice / Florida / GPS / El Chapo / Dolly / Jay-Z

Galileo Galilei published "Dialogue Concerning the Two Chief World Systems", comparing Copernican and Ptolemaic systems and whether the Earth orbits the sun.

The British House of Lords rules that authors don't have perpetual copyright.

During the Revolutionary War, the French launched the Last Invasion of Britain near Fishguard, Wales.

Spanish minister Luis de Onis and U.S. Secretary of State John Quincy Adams sign the Florida Purchase Treaty, ceding Florida to the United States.

The Republican Party holds its first national convention in Pittsburgh.

Lee Petty wins the first Daytona 500, defeating Johnny Beauchamp in a photo finish at Daytona International Speedway.

The largest US airborne assault since WWII begins with 25,000 US and South Vietnamese troops against the Viet Cong.

Navstar 1, the first operational GPS satellite, launches from Vandenberg Air Force Base in California.

Underdog U.S. hockey team, composed of college players, stunned four-time defending Olympic gold medalist Soviet team in one of the most dramatic upsets in Olympic history.

Scientists at the Roslin Institute in Scotland announced the cloning of Dolly the sheep, born on July 5, 1996.

Joaquin 'El Chapo' ("Shorty") Guzmán, the world's most wanted drug lord, has been captured in Mazatlán, Mexico, after evading authorities for a decade.

Jay-Z became the first rapper inducted into the Songwriters Hall of Fame.