What happened in 1800

13 entries recorded for 1800, listed by date. That was 226 years ago.

1800 at a glance

Years ago
226 (as of 2026)
Century
18th century
Decade
1800s
Generation born
Before the named generations
Entries here
13
Breakdown
13 historical events

March

June

  • June 14

    War of the Second Coalition

    Historical event

    War of the Second Coalition: In the Battle of Marengo, Napoleonic forces secured victory over the Habsburgs when defeat had appeared inevitable until the arrival of French troops led by Louis Desaix.

  • June 15

    War of the Second Coalition

    Historical event

    War of the Second Coalition: The signing of the Convention of Alessandria brought temporary peace between France and Austria.

  • June 27

    War of the Second Coalition

    Historical event

    War of the Second Coalition: French forces won a victory at the Battle of Neuburg, ending Austrian control over the River Danube.

July

  • July 7

    War of the Second Coalition

    Historical event

    War of the Second Coalition: The British Royal Navy force attacked the well-defended French anchorage of Dunkirk (depicted), capturing a French frigate.

August

  • August 30

    Gabriel's Rebellion

    Historical event

    Gabriel Prosser planned to hold a slave rebellion in Virginia, U.S., but it was postponed due to rain; he was captured before he could reschedule it.

September

  • September 4

    French Revolutionary Wars

    Historical event

    French Revolutionary Wars: Facing starvation and a death rate of 100 soldiers per day, the French garrison in Malta surrendered to British forces, ending a two-year siege.

  • September 25

    French Revolutionary Wars

    Historical event

    French Revolutionary Wars: After U.S. ships became involved, French forces abandoned their invasion of the Batavian island of Curaçao.

October

  • October 7

    Privateer

    Historical event

    The French privateer Robert Surcouf led a 150-man crew to capture the 40-gun, 437-man East Indiaman Kent.

December

  • December 1

    French Revolutionary Wars

    Historical event

    French Revolutionary Wars: Austrian forces, led by Archduke John of Austria, defeated two divisions of the French First Republic, led by Paul Grenier, at the Battle of Ampfing.

  • December 3

    War of the Second Coalition

    Historical event

    War of the Second Coalition: French forces defeated Austrian and Bavarian troops at the Battle of Hohenlinden, eventually resulting in the Austrians signing the Treaty of Lunéville.

  • December 26

    Philip Gidley King

    Historical event

    Philip Gidley King, Governor of New South Wales, ordered the formation of the Governor's Body Guard of Light Horse, described as the first full-time military unit raised in Australia.

Questions about 1800

What happened in 1800?

This site records 13 entries for 1800, including William Matthews (priest) on March 29. They are listed below by date.

How long ago was 1800?

226 years ago, counting from 2026. Anyone born in 1800 turns 226 this year.

Which century is 1800 in?

1800 falls in the 18th century, in the 1800s.

Text adapted from Wikipedia under CC BY-SA 4.0 and from Wikidata (CC0). Images come from Wikimedia Commons; credit and licence are shown with each image. Editorial entries are © What's On This Date. Sources & licensing · How this site works.