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