16th May 1770 – 14-year old Marie Antoinette married 15-year-old Louis-Auguste who later became king of France. 1836 – Edgar Allan Poe married his 13-year-old cousin Virginia. 1920 – Pope Benedict XV canonized Joan of Arc as a saint. 1960 - The first working laser was demonstrated by Theodore Maiman at Hughes Research Laboratories. (But […]