- Jan 1 The dwarf planet Ceres is discovered by Italian monk Giuseppe Piazzi
United Kingdom Forms
Jan 1 The Irish Parliament votes to join the Kingdom of Great Britain, forming the United Kingdom of Great Britain and Ireland
1st Governor of the Indiana Territory
Jan 10 William Henry Harrison is appointed the first governor of the Indiana Territory
Marshall Chief Justice
Jan 20 John Marshall appointed US chief justice
- Feb 9 France & Austria sign Peace of Luneville
Thomas Jefferson Elected US President
Feb 17 US House of Representatives breaks electoral college tie by electing Thomas Jefferson as President over Aaron Burr
Thomas Jefferson
Mar 4 Thomas Jefferson is the first US President to be inaugurated in Washington, D.C.
Henry Addington PM
Mar 14 Henry Addington becomes Prime Minister of the United Kingdom after his friend William Pitt the Younger resigns after being unable to persuade King George III of the need for Catholic Emancipation
Alexander I
Mar 24 Aleksandr Pavlovich Romanov becomes Tsar Alexander I of Russia
Battle of Copenhagen
Apr 2 Napoleonic Wars: The British led by Horatio Nelson destroy the Danish fleet in the naval Battle of Copenhagen
Die Jahreszeiten
Apr 24 1st performance of Joseph Haydn's oratorio "Die Jahreszeiten" (The Seasons)
Haiti Declares Independence
Jul 7 Toussaint Louverture declares Haitian independence
French Papal Concord
Jul 16 Pope Pius VII & 1st consul Napoleon sign concord
HMS Investigator
Jul 18 HMS Investigator sets off on a voyage to determine if New Holland (Australia) is one island or two, under command of Matthew Flinders, with botanist Robert Brown and artists Ferdinand Bauer and William Westall aboard