Decades: 1750s 1760s 1770s 1780s 1790s - 1800s - 1810s 1820s 1830s 1840s 1850s
Years: 1796 1797 1798 1799 1800 - 1801 - 1802 1803 1804 1805 1806
January 1 - Legislative union of Great Britain and Ireland completed under the 1801 Act of Union, bringing about the United Kingdom
January 1 - The first (and largest) asteroid Ceres is discovered by Giuseppe Piazzi
January 20 - John Marshall is appointed Chief Justice of the United States.
February 3 - William Pitt the Younger resigns as Prime Minister of the United Kingdom
February 9 - The Treaty of LunÚville ends the war (Second Coalition) between France and Austria
February 17 - An electoral tie between Thomas Jefferson and Aaron Burr is resolved when Jefferson is elected President of the United States and Burr Vice President by the United States House of Representatives.
February 27 - Washington, DC is placed under the jurisdiction of the United States Congress.
March 4 - Thomas Jefferson succeeds John Adams as the President of the United States of America
March 21 - Second Battle of Abukir: a British army under Ralph Abercromby defeats the French troops
March 24 - The Russian tsar Paul I is murdered
April 2 - First Battle of Copenhagen. Armed Neutrality of the North dissolved.
May - The pascha of Tripoli declares war on United States by having the flagpole on the consulate chopped down.
July 6 - Battle of Algeciras: The French fleet beats the British fleet.
July 18 - Napoleon signs the Concordat of 1801 with the pope.
August 1 / 2 - A French fleet is defeated by British ships under Horatio Nelson in the Battle of the Nile
Joseph-Marie Jacquard developed a loom where the pattern being woven was controlled by punch cards.
The ultraviolet radiation is discovered by Johann Wilhelm Ritter
Years in Topic
1801 in literature
1801 in music
1801 in science
May 11 - Henri Labrouste, architect (+ 1875)
November 1 - Vincenzo Bellini, Italian composer
Frederic Bastiat, French philosopher
February 7 - Daniel Chodowiecki, German painter
March 23 - Tsar Paul of Russia
March 25 - Novalis, German poet
March 28 - Ralph Abercromby, British general
June 4 - Frederick Muhlenberg, first speaker of the United States House of Representatives