Major Events
- Jan 1 Holland Brigade under Brigadier-General David Hendrik Chassé reaches Madrid (Napoleonic Wars)
- Jan 5 Treaty of Dardanelles concluded between Britain & France
- Jan 6 Napoleonic Wars: Invasion of Cayenne, by combined British, Portuguese and colonial Brazilian forces, begins
- Jan 12 British take Cayenne (French Guiana) from French (until 1814)
- Jan 16 Peninsular War: The British defeat the French at the Battle of Corunna
- Jan 20 1st US geology book published by William Maclure
- Feb 1 Dutch King Louis Napoleon accepts metric system
- Feb 3 Territory of Illinois organizes (including present-day Wisconsin)
- Feb 8 Franz I of Austria declares war on France
- Feb 11 American inventor Robert Fulton patents the steamboat
- More 1809 Events
1809 in Music
- Sep 18 Royal Opera House in London opens
1809 in Sport
- Apr 18 First run of 2,000 guineas horse race at Newmarket, England
Edgar Allan Poe
Felix Mendelssohn
Abraham Lincoln
Charles Darwin
Cyrus McCormick
William GladstoneMore People Born in 1809
Joseph Haydn
Thomas Paine
Meriwether Lewis
William Cavendish-BentinckMore 1809 Deaths
Ludwig van Beethoven
James Madison
Napoléon Bonaparte
