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 sports
1803 in France
Levy en Masse Act 1803
1803 Tennessee gubernatorial election
British anti-invasion preparations of 1803–05
1803 Gatton by-election
USS Syren (1803)
Charles Heywood (1803–1853)
Nancy (1803 ship)
John Sanford (1803–1857)
1803 in the United Kingdom
Additional Forces Acts 1803
List of acts of the Parliament of the United Kingdom from 1803
Ottoman invasion of Mani (1803)
Shō Sei (r. 1803)
United Nations Security Council Resolution 1803
Frederik Christian Kaas (1725–1803)
Félix Baciocchi (1803–1866)
Battle of Delhi (1803)
John Simpson (died 1803)
Joseph Richardson (1755–1803)
French frigate Hortense (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
1802–03 United States Senate elections
1803 United States House of Representatives elections in Virginia
1803 United States House of Representatives election in Ohio
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)
1802–1803 United States House of Representatives elections in Vermont
Thomas Conolly (1738–1803)
Caribbean campaign of 1803–1810
1803 in Ireland
List of shipwrecks in 1803
1803 New York's 6th congressional district special election
NGC 1803
Adolphe (1803 privateer lugger)
List of elections in 1803
Henry Lowry-Corry (1803–1873)
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 Australia
1803 in Iceland
1803 in Norway
1803 in Denmark
Reallocation of votes in the Imperial Diet (1803)
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 Russia
1803 in India
1803 in archaeology
1803 United States House of Representatives election in Tennessee
1803 in Germany
S5 1803+784
1803 Georgia gubernatorial election
1803 in literature
1803 United States House of Representatives elections in South Carolina
1803 United States House of Representatives elections in Kentucky
Bedford (1803 ship)
List of ship launches in 1803
1803 in Sweden
1803 in music
1803 Maryland gubernatorial election
1803 in Wales
1803 Ohio gubernatorial election
USS Argus (1803)
1803 United States House of Representatives election in New Jersey
1803 Zwicky
1803 in science
Malouin (1803 ship)
USS Vixen (1803)
Tigris (1802 ship)
1803 Connecticut gubernatorial election
1803 New Jersey gubernatorial election
Enterprize (1803 ship)
1803 United States House of Representatives elections in Maryland
Charles Seely (politician, born 1803)
Fame (1803 ship)
1803 United States House of Representatives elections in North Carolina
British Tar (1803 ship)
Charlton (1803 ship)
William Henry Ord (1803–1838)
1802–03 United States House of Representatives elections
1803 Garhwal earthquake
1803 in architecture
HMS Avenger (1803)
Rambler (1803 ship)
1803 New Hampshire gubernatorial election
1803 in South Africa
1803 in rail transport
Francis D'Oyly (British Army general)
Sydney Cove (1803 ship)
1803 North Carolina gubernatorial election
List of British residents or political agents in Delhi, 1803–57
Paragon (1803 ship)
HMS Colossus (1803)
Frances (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)
Hearts of Oak (1803 play)
HMS Hawk (1803)
Iris (1803 ship)
Euphrates (1803 EIC ship)
1803 in New Zealand
Thomas Allen (topographer)
Invasion of Hanover (1803)
1803 in paleontology
Hart (1803 ship)
HMS Bonetta (1803)
HMS Orestes (1803)
Hebe (1803 ship)
HMS Hero (1803)
Alfred Hage
Badger (1803 ship)
1803 Vermont gubernatorial election
Huddart (1803 EIC ship)
Cumbrian (1803 ship)
Betsey (1803 ship)
1803 English cricket season
Defence of the Realm Act 1803
Lord Forbes (1803 ship)
HMS Cerf (1803)
Souliote War (1803)
Passenger Vessels Act 1803
Solar eclipse of February 21, 1803
Earl St Vincent (1803 ship)
Charlotte (1803 ship)
Essex (1803 EIC ship)
Action of 28 June 1803
HMS Thunder (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
HMS Flying Fish (1803)
Patent (1803 ship)
French ship Vengeur (1803)
Active (1804 ship)
HMS Hermes (1803)
Marcus Beresford (British Army officer, born 1764)
Stewart baronets of Athenree (1803)
HMS Cumberland (1803)
Trial (1803 ship)
Pretty Lass (1803 ship)
HMS Morne Fortunee (1803)
HMS Scorpion (1803)
Prince of Wales (1803 EIC ship)
HMS Prevost (1803)
Maria Teresa of Savoy
HMS Shannon (1803)
Union (1803 EIC ship)
1803 in poetry
HMS Vulture (1803)
HMS Aetna (1803)
Malicious Shooting or Stabbing Act 1803
Henry Willis Baxley
HMS Eclipse (1804)
British campaign in the Caribbean (1803)
Francis Page (died 1803)
César (1802 ship)
Ceylon (1803 ship)
George Chambers (painter)
HMS Saint Lucia (1803)
HMS Scourge (1803)
List of monuments and memorials to the Irish Rebellion of 1803
Winchelsea (1803 EIC ship)