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