1298 - An army under Albert of Austria defeated and killed Adolf of Nassua near Worms, Germany.
1566 - French astrologer, physician and prophet Nostradamus died.
1644 - Lord Cromwell crushed the Royalists at the Battle of Marston Moor near York, England.
1747 - Marshall Saxe led the French forces to victory over an Anglo-Dutch force under the Duke of Cumberland at the Battle of Lauffeld.
1850 - Prussia agreed to pull out of Schlewig and Holstein, Germany.
1850 - B.J. Lane patented the gas mask.
1858 - Czar Alexander II freed the serfs working on imperial lands.
1976 - North Vietnam and South Vietnam were reunited.