What Happened in 1800
8 historical events, 1 notable births, and 0 notable deaths in 1800.
Major Events
January 1800
general
1800 — year
general
18th century — time period between January 1, 1701, and December 31, 1800
general
1800s — decade of the Gregorian calendar (1800–1809)
politics
1800 United States presidential election — 4th quadrennial U.S. presidential election
general
Claddagh ring — Irish tradition symbol
June 1800
war
Battle of Marengo — 1800 battle during the War of the Second Coalition
December 1800
war
Battle of Hohenlinden — 1800 battle during the War of the Second Coalition
October 1800
politics
Treaty of San Ildefonso — treaty between France and Spain involving the colonial territory of Louisiana