August 17th (1780) was a Thursday. It's the 229th day of the year (230th in leap years) in the Gregorian calendar. There are 136 days left to the end of the year.
August 17th Holidays in History
» Christian Calendar of saints or Feast Day:
» Clare of Montefalco known as Clare of the Cross
» Hyacinth of Poland
» Johann Gerhard (Lutheran)
» Mammes of Caesarea (Catholic Church)
» Samuel Johnson, Timothy Cutler (Episcopal Church (USA))
» August 17 (Eastern Orthodox liturgics)
» List of national independence days called Independence Day, celebrates the independence of Gabon from France in 1960.
» Portunes called Portunalia (Roman Empire)
» Public holidays in Slovenia e.g Prekmurje Union Day (Slovenia)