Example image of eyePlorer eyePlorer map for '1809': Common year starting on Friday Common year starting on Sunday Gregorian calendar Julian calendar Roman numerals January 5 Treaty of the Dardanelles January 10 Jean Lannes Siege of Saragossa Battle of Corunna France January 16 Peninsular War United Kingdom February 3 Illinois Territory February 8 February 11 Robert Fulton Steamboat February 17 Miami University Symmes Purchase February 20 Supreme Court of the United States Battle of Valls February 25 Laurent de Gouvion Saint-Cyr Embargo Act of 1807 March 1 Non-Intercourse Act First inauguration of James Madison James Madison March 4 President of the United States Thomas Jefferson Gripsholm Castle Gustav IV Adolf of Sweden March 13 Alexander I of Russia Diet of Porvoo Finland Grand Duchy of Finland Lands of Sweden March 29 Riksdag of the Estates Abdication Coup d'état Battle of Medellín