Historical Events in May 1851

  • May 1 First public flushing toilets the 'Monkey Closets' unveiled by George Jennings as part of The Great Exhibition at Hyde Park, London, costing one penny
  • May 1 Great Exhibition opens in the Crystal Palace, at Hyde Park, London
  • May 3 Sixth major fire in San Francisco destroys 1500-2000 buildings
  • May 6 Dr John Gorrie patents a "refrigeration machine"
  • May 6 Linus Yale Jr. patents the Yale cylinder lock
  • May 6 New slave regulations go into effect in Suriname
  • May 6 San Francisco Chamber of Commerce starts
  • May 15 King Mongkut [Rama IV or Phra Chomklao Chaoyuhua] crowned in Siam (Thailand)
  • May 18 Amsterdam-Nieuwediep telegraph connection linked

Conference of Interest

May 29 Sojourner Truth addresses 1st Black Women's Rights Convention in Akron, Ohio