1788 - Isaac Briggs and William Longstreet patented the steamboat.
1790 - The U.S. Supreme Court convened for the first time in New York City.
1793 - France declared war on Britain and Holland.
1884 - The first edition of the Oxford English Dictionary was published.
1893 - Thomas A. Edison completed work on the world's first motion picture studio in West Orange, NJ.
1896 - Puccini's opera "La Boheme" premiered in Turin.
1920 - The first armored car was introduced.
1930 - The Times published its first crossword puzzle.
1946 - Norwegian statesman Trygve Lie was chosen to be the first secretary-general of the United Nations.
1951 - The first telecast of an atomic explosion took place.
1951 - The first X-ray moving picture process was demonstrated.
1996 - Visa and Mastercard announced security measures that would make it safe to shop on the Internet.
2001 - Three Scottish judges found Abdel Basset al-Mergrahi guilty of the 1988 bombing of Pan Am Flight 103, which killed 270 people. The court said that Megrahi was a member of the Libyan intelligence service. Al-Amin Khalifa, who had been co-accused, was acquitted and freed.
2003 - NASA's space shuttle Columbia exploded while re-entering the Earth's atmosphere. All seven astronauts on board were killed.