1800

See also:

Table of contents

1 Events
2 Years in Topic
3 Births
4 Deaths
5 Heads of State

Events

March 14 - Cardinal Barnaba Chiaramonti is elected pope Pius VII
March 21 - Pius VII becomes Pope
May 15 - Napoleon Bonaparte crosses the Alps and invades Italy
June 14 - Battle of Marengo, Napoleon defeats the Austrian troops near Marengo, Italy
June 27 - Pascha Jussuf Karamanli of Tripoli declares war on Sweden by having the flagpole on the consulate chopped down.
September 5 - The island of Malta, that was occupied by the French, is conquered by British troops
November 1 - US President John Adams becomes the first President of the United States to live in the Executive Mansion (later renamed the White House).
November 17 - The United States Congress holds its first Washington, DC session.
December 3 - Battle of Hohenlinden, the French army defeats the Austrian troops.
December 24 - An assault on Napoleon Bonaparte fails in Paris
Invention of the voltaic pile by Alessandro Volta: the first chemical battery
The infrared radiation is discovered by Wilhelm Herschel