1803
Irish rebellion of 1803
1803 in the United States
Harpers Ferry Model 1803
1803 in Canada
1803–1804 Massachusetts legislature
1803 State of the Union Address
1802–1803 Massachusetts legislature
1803 United States gubernatorial elections
Patrick Heron (1736–1803)
1803 in France
1803 in sports
Levy en Masse Act 1803
1803 Tennessee gubernatorial election
British anti-invasion preparations of 1803–05
USS Syren (1803)
1803 Gatton by-election
Charles Heywood (1803–1853)
John Sanford (1803–1857)
1803 in the United Kingdom
Nancy (1803 ship)
Additional Forces Acts 1803
List of acts of the Parliament of the United Kingdom from 1803
Ottoman invasion of Mani (1803)
United Nations Security Council Resolution 1803
Shō Sei (r. 1803)
Frederik Christian Kaas (1725–1803)
Félix Baciocchi (1803–1866)
Battle of Delhi (1803)
Joseph Richardson (1755–1803)
John Simpson (died 1803)
George Stevens (1803–1894)
Recollections of a Tour Made in Scotland, A. D. 1803
Cornwallis (1803 ship)
French ship Impétueux (1803)
Windows 10, version 1803
French frigate Hortense (1803)
1802–03 United States Senate elections
1803 United States House of Representatives elections in Virginia
1802–1803 United States House of Representatives elections in Massachusetts
1803 United States Senate election in New York
Thomas Edlyne Tomlins (1803–1875)
Edward Foley (1747–1803)
1803 United States House of Representatives election in Ohio
1802–1803 United States House of Representatives elections in Vermont
Thomas Conolly (1738–1803)
Caribbean campaign of 1803–1810
List of shipwrecks in 1803
1803 in Ireland
1803 New York's 6th congressional district special election
Adolphe (1803 privateer lugger)
List of elections in 1803
Henry Lowry-Corry (1803–1873)
NGC 1803
1803 Georgia's at-large congressional district special election
History of St. Louis (1763–1803)
1803 in Chile
The 1803 House
Alexander (1803 ship Bombay)
Sarah (1803 ship)
1803 in Spain
1803 in Iceland
1803 in Australia
1803 in Norway
Reallocation of votes in the Imperial Diet (1803)
1803 in Denmark
1803 in Russia
1803 in art
1803 in Scotland
1803 New York's 7th congressional district special election
United Nations General Assembly Resolution 1803 (XVII)
1803 Virginia gubernatorial election
1803 in India
1803 in archaeology
1803 United States House of Representatives election in Tennessee
1803 in Germany
1803 in music
S5 1803+784
1803 Georgia gubernatorial election
1803 in literature
1803 Ohio gubernatorial election
1803 United States House of Representatives elections in Kentucky
List of ship launches in 1803
1803 in Sweden
1803 United States House of Representatives elections in South Carolina
1803 in Wales
Bedford (1803 ship)
1803 Maryland gubernatorial election
1803 in science
USS Argus (1803)
1803 United States House of Representatives election in New Jersey
1803 Zwicky
Malouin (1803 ship)
1803 United States House of Representatives elections in Maryland
Tigris (1802 ship)
USS Vixen (1803)
Fame (1803 ship)
1803 Connecticut gubernatorial election
Enterprize (1803 ship)
1803 United States House of Representatives elections in North Carolina
Charles Seely (politician, born 1803)
1803 New Jersey gubernatorial election
William Henry Ord (1803–1838)
British Tar (1803 ship)
List of British residents or political agents in Delhi, 1803–57
HMS Colossus (1803)
1802–03 United States House of Representatives elections
Charlton (1803 ship)
1803 Garhwal earthquake
1803 in architecture
1803 North Carolina gubernatorial election
HMS Avenger (1803)
Rambler (1803 ship)
1803 in South Africa
1803 in rail transport
Sydney Cove (1803 ship)
Francis D'Oyly (British Army general)
1803 New Hampshire gubernatorial election
Frances (1803 ship)
Paragon (1803 ship)
HMS Prospero (1803)
HMS Dart (1803)
1803 United States Senate election in Massachusetts
Princess Amelia (1803 ship)
1803 Massachusetts gubernatorial election
1803 Rhode Island gubernatorial election
Treaty of Fort Wayne (1803)
HMS Repulse (1803)
Anna Nielsen (1803–1856)
Leeds Volunteer Corps
HMS Redbridge (1803)
Invasion of Hanover (1803)
Hearts of Oak (1803 play)
HMS Hawk (1803)
Iris (1803 ship)
1803 in New Zealand
Thomas Allen (topographer)
Euphrates (1803 EIC ship)
HMS Bonetta (1803)
1803 in paleontology
Alfred Hage
Hebe (1803 ship)
Betsey (1803 ship)
Cumbrian (1803 ship)
HMS Orestes (1803)
HMS Hero (1803)
Hart (1803 ship)
Badger (1803 ship)
1803 Vermont gubernatorial election
Huddart (1803 EIC ship)
1803 English cricket season
Defence of the Realm Act 1803
Lord Forbes (1803 ship)
HMS Cerf (1803)
Souliote War (1803)
Solar eclipse of February 21, 1803
Passenger Vessels Act 1803
Earl St Vincent (1803 ship)
Charlotte (1803 ship)
Essex (1803 EIC ship)
HMS Thunder (1803)
Action of 28 June 1803
Exchange Buildings (1803–08; demolished 1864)
HMS Merlin (1803)
96th Regiment of Foot (1803)
William Todd (businessman)
George Hibbert (1803 ship)
Solar eclipse of August 17, 1803
Prince of Wales (1803 EIC ship)
HMS Cumberland (1803)
HMS Flying Fish (1803)
Patent (1803 ship)
HMS Morne Fortunee (1803)
French ship Vengeur (1803)
Active (1804 ship)
HMS Hermes (1803)
Marcus Beresford (British Army officer, born 1764)
Stewart baronets of Athenree (1803)
Trial (1803 ship)
Pretty Lass (1803 ship)
Union (1803 EIC ship)
HMS Scorpion (1803)
HMS Prevost (1803)
Maria Teresa of Savoy
HMS Shannon (1803)
Francis Page (died 1803)
1803 in poetry
Malicious Shooting or Stabbing Act 1803
HMS Vulture (1803)
Ceylon (1803 ship)
HMS Aetna (1803)
Henry Willis Baxley
HMS Eclipse (1804)
British campaign in the Caribbean (1803)
César (1802 ship)
George Chambers (painter)
HMS Saint Lucia (1803)
HMS Scourge (1803)
Winchelsea (1803 EIC ship)
List of monuments and memorials to the Irish Rebellion of 1803