On This Day

What Happened in September 1780

Historical Events


Event of interestEvent of Interest

Sep 21 Benedict Arnold gives British Major John André plans to West Point

US General and Turncoat Benedict Arnold
US General and Turncoat
Benedict Arnold

Famous Birthdays

  • Sep 25 Jason Fairbanks, American murderer, born in Dedham, Massachusetts (d. 1801)
  • Sep 28 √Člie, Duke Decazes, French Bourbon Restoration politician (4th Prime Minister of France), born in Sainte-Martin-de-Laye, France (d. 1860)

Famous Deaths

  • Sep 1 Reynier de Klerk, governor-general of Dutch-Indies (1777-1800), dies at 69
  • Sep 4 John Fielding, English magistrate and social reformer (b. 1721)

Person of interestWilliam Allen

Sep 6 William Allen, Mayor of Philadelphia, dies at 76

Mayor of Philadelphia William Allen
Mayor of Philadelphia
William Allen
  • Sep 8 Enoch Poor, American Continental Army general (b. 1736)