1800
1800 United States census
Acts of Union 1800
1800–01 United States Senate elections
1800 United States gubernatorial elections
1800 in the United States
Convention of 1800
1799–1800 papal conclave
1800 United States presidential election
Sauer S 1800
1800 in Canada
1800 in France
1800 State of the Union Address
1800 Tequila
Anno 1800
1800 United States elections
1800 Seconds
1800 series
1800–01 United States House of Representatives elections
Imperial China: 900–1800
Tobu 1800 series
Raid on Dunkirk (1800)
1800 United States presidential election in Vermont
Fiat 1800 and 2100
Thomas Mason (1753–1800)
African military systems (1800–1900)
1800 in Great Britain
Glasgow Police Act 1800
1800 in sports
Washington: Village and Capital, 1800–1878
1800 United States presidential election in South Carolina
1800 United States presidential election in Connecticut
1800 United States presidential election in Pennsylvania
1800 New Hampshire's at-large congressional district special election
1800 Connecticut's at-large congressional district special election
1800 United States presidential election in New York
Premier Consul (1800)
Battle of Höchstädt (1800)
1800 United States presidential election in Delaware
Francis Wedgwood (1800–1888)
Adèle (1800 brig)
1800 United States presidential election in Kentucky
1800 United States presidential election in New Jersey
1800 French constitutional referendum
Action of 7 April 1800
Russian Rebels, 1600–1800
1800 United States presidential election in Georgia
List of battles 1601–1800
John Knox (1758–1800)
Report of 1800
Nautilus (1800 submarine)
Timeline of British history (1800–1899)
Vingança (1800 ship)
1800 United States presidential election in North Carolina
IBM 1800 Data Acquisition and Control System
April 1800 United States Senate special election in New York
Robert Graydon (1744–1800)
Census Act 1800
November 1800 United States Senate special election in New York
Campaigns of 1800 in the Napoleonic Wars
Political history of Mysore and Coorg (1800–1947)
List of acts of the Parliament of Great Britain from 1800
List of countries by population in 1800
Argo (1800 ship)
1800 United States presidential election in Massachusetts
Siege of Genoa (1800) order of battle
List of Irish MPs 1798–1800
1800 United States presidential election in Maryland
Maritime history of the United States (1800–1899)
1800 United States presidential election in New Hampshire
George Edgcumbe (1800–1882)
1800–1801 United States House of Representatives elections in Rhode Island
1800 Massachusetts's 3rd congressional district special election
Alexander Montgomery (1720–1800)
1800 United States presidential election in Tennessee
1800 Massachusetts's 10th congressional district special election
List of Spanish artists (born 1500–1800)
Pratt & Whitney X-1800
Marcus Beresford (British Army officer, born 1800)
Timeline of entomology – 1800–1850
1800–1801 United States House of Representatives elections in Massachusetts
Before Homosexuality in the Arab-Islamic World, 1500–1800
HMS Guachapin (1800)
1800 United States presidential election in Virginia
1800 Virginia's 13th congressional district special election
Canada (1800 ship)
Charles Powell Leslie (1731–1800)
1800 United States presidential election in Rhode Island
1800 United States House of Representatives election in Delaware
Duke of Clarence (1800 ship)
GSM frequency bands
1800 Massachusetts's 4th congressional district special election
BMC ADO17
Siege of Malta (1798–1800)
John Murray (1726–1800)
List of wars: 1800–1899
Sauer S 1800 UL
Battle of Messkirch
1800 in Austria
French schooner Découverte (1800)
Joseph Cowen (1800–1873)
1800 in Argentina
HMS Courageux (1800)
Rolla (1800 ship)
List of fellows of the Royal Society elected in 1800
History of English cricket (1776–1800)
1800 in Iceland
Charles Adams (1770–1800)
1800 in Ireland
1800 (disambiguation)
Timeline of the British Army 1800–1899
1800 United States House of Representatives elections in New York
1800 in philosophy
1800 United States House of Representatives elections in South Carolina
1800 in Chile
List of shipwrecks in 1800
USS Trumbull (1800)
1800 United States House of Representatives elections in Pennsylvania
1800 in Russia
1800 in Spain
1800 in Wales
1800 in Germany
Ocean (1800 EIC ship)
1800 in archaeology
1800 in music
Meitetsu 1800 series
Telmac 1800
1800 in Denmark
1800 in Norway
Joshua Cooper (1732–1800)
1800 United States House of Representatives elections in Vermont
1800 in Sweden
SNCF Class BB 1800
The Election of 1800
1800 Club
Invasion of Curaçao (1800)
List of elections, 1701–1800
1800 in Scotland
1800 Virginia gubernatorial election
Caroline (1800 ship)
1800 Aguilar
Suffolk (1800 ship)
Nokia 1800
Clothier (1800 ship)
1800 in architecture
French ship Intrépide (1800)
1800 Kentucky gubernatorial election
1800 Maryland gubernatorial election
Edward Miller Mundy (1800–1849)
1800 in science
Dufour 1800
Marquis de Somerulas (1800 ship)
1800 Connecticut gubernatorial election
Caesar (1800 ship)
1800 in literature
Robur LO 1800 A
1800 in Australia
List of ship launches in 1800
Betsey (1800 ship)
Princess Louise of Saxe-Gotha-Altenburg (1800–1831)
List of women who obtained doctoral degrees before 1800
1800 Massachusetts gubernatorial election
1800 New Jersey gubernatorial election
1800 North Carolina gubernatorial election
HMS Vengeance (1800)
18th century BC
Transport vessels for the British Government's importation of rice from Bengal (1800–1802)
Adelaide (1800 play)
Edward Baines (1800–1890)
Histoire du mouvement anarchiste en France (1800–1914)
1800 in Siam
1800 South Carolina gubernatorial election
1800 Rhode Island gubernatorial election
List of counties and boroughs of the unreformed House of Commons in 1800
Nutwell (1800 ship)
Sylvan (1800 ship)
1800 in poetry
1800 in rail transport
Hind (1800 ship)
Treason Act 1800
1800 in South Africa
Camilla (1800 ship)
Eliza (1800 ship)
1800 New Hampshire gubernatorial election
Siege of Genoa (1800)
Battle of Heliopolis (1800)
1800 English cricket season
Triumph 1800
Caroline (1800 Philadelphia ship)
Battle of the Malta Convoy
HMS Calpe (1800)
Charles Stewart (New Jersey politician)
Greenwich (1800 ship)
Expansion of Russia (1500–1800)
1800 N. Clybourn
Criminal Lunatics Act 1800
Swan (1800 ship)
Earl Spencer (1800 ship)
Albion (1800 ship)
HMS Garland (1800)