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