Historical Events in May 1817

  • May 7 Japanese Emperor Kōkaku abdicates in favour of his son Emperor Ninkō
  • May 15 Ambonese uprising against Dutch authority (modern Indonesia), under Thomas Matulesia (aka Kapitan Pattimura)
  • May 15 First private mental health hospital opens in the US, Asylum for the Relief of Persons Deprived of the Use of Their Reason (now Friends Hospital) in Philadelphia, Pennsylvania
  • May 16 Mississippi River steamboat service begins