On This Day

Historical Events in May 1790

  • May 26 Territory South of River Ohio created by US Congress

USAConstitution of the United States

May 29 Rhode Island becomes last of original 13 colonies ratifying US Constitution
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Page one of the original copy of the Constitution of the United States
Page one of the original copy of the Constitution of the United States
  • May 31 US copyright law enacted
  • May 31 Alferez Manuel Quimper explores the Strait of Juan de Fuca

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