1840
Act of Union 1840
1840 United States census
List of elections in 1840
1840 in the United States
1840 United States presidential election
Franklin County Courthouse (1840–1884)
1840 in France
1840 Constitution of the Hawaiian Kingdom
Municipal Corporations (Ireland) Act 1840
1840 United States elections
1840 United States presidential election in Arkansas
1840 United States presidential election in Louisiana
1840 United States presidential election in Connecticut
Sulphur Crisis of 1840
1840 United States presidential election in Kentucky
1840 United States presidential election in Maryland
1840 United States presidential election in Vermont
1840 United States presidential election in Georgia
1840–41 United States Senate elections
1840 in Canada
1840 United States presidential election in Missouri
1840 United States presidential election in Massachusetts
1840 United States presidential election in Michigan
1840 Democratic National Convention
1840 United States presidential election in Pennsylvania
1840 Liverpool Town Council election
1840 United States presidential election in Virginia
1840 United States presidential election in Alabama
1840 United States presidential election in Delaware
1840 United States presidential election in Rhode Island
1840 United States presidential election in Ohio
1840 United States presidential election in Illinois
1840 United States presidential election in North Carolina
1840 United States presidential election in Maine
1840 United States presidential election in New Hampshire
1840 United States presidential election in South Carolina
1840 Massachusetts legislature
1840 United States presidential election in New Jersey
1840–41 United States House of Representatives elections
1840 United States presidential election in Indiana
Model 1840 light artillery saber
1840 United States Senate special election in Pennsylvania
1840 United States presidential election in Tennessee
1840 Missouri gubernatorial election
1840 in sports
Model 1840 Cavalry Saber
1840 United States presidential election in Mississippi
Model 1840 army noncommissioned officers' sword
1840 United States presidential election in New York
1839–1840 United States Senate election in New York
Thomas Evans (poet, 1840–1865)
1840 in the United Kingdom
Robotron K 1840
Francis William Grant (1814–1840)
John Birdsall (politician, born 1840)
Hugh Howard (1761–1840)
1840 New York gubernatorial election
1840 Manchester Borough Council election
Springfield Model 1840 flintlock musket
1840 Portuguese legislative election
Khivan campaign of 1839–1840
William Henry Harrison 1840 presidential campaign
William Fraser (New Zealand politician, born 1840)
Henry Cowper (1758–1840)
John Forbes (1801–1840)
French ship Friedland (1840)
1840 Liberian legislative election
List of French historic monuments protected in 1840
The Industrial Worker, 1840–1860
1840 in India
Henry Arthur Herbert (1840–1901)
James Lowther (politician, born 1840)
Giuseppe Turchi (painter, born 1840)
Arthur Duncombe (1840–1911)
The Tyne Songster (W & T Fordyce, 1840)
Bombardment of Beirut (1840)
Timeline of Quebec history (1791–1840)
1840 Pennsylvania's 22nd congressional district special election
Lancaster railway station (1840–1849)
1840 in Belgium
Marie Kalergi (1840–1877)
Building at 1840–1842 Eddy Street
Convention of London (1840)
1840 Hus
USS Wachusett (ID-1840)
1840 in Russia
One guilder coin (1840–1849)
1840 in Denmark
1840 Pennsylvania's 13th congressional district special election
1840 in Sweden
1840 in paleontology
1840 in Brazil
List of Players cricketers (1806–1840)
1840 in Macau
List of shipwrecks in December 1840
James Duckworth (businessman, born 1840)
UGC 1840
1840 in Ireland
1840 in China
1840 in Germany
List of shipwrecks in 1840
1840 in Chile
List of shipwrecks in March 1840
List of shipwrecks in July 1840
1840 in Iceland
Battle of Acre (1840)
Oriental Crisis of 1840
List of shipwrecks in April 1840
List of shipwrecks in October 1840
List of shipwrecks in August 1840
List of shipwrecks in May 1840
List of shipwrecks in September 1840
List of shipwrecks in February 1840
1840 in Wales
1840 Connecticut gubernatorial election
List of shipwrecks in June 1840
List of Gentlemen cricketers (1806–1840)
List of ship launches in 1840
1840 in archaeology
1840 in art
1840 Boston mayoral election
1840 in Norway
1840 in Scotland
1840 in New Zealand
1840 in Portugal
1840 Indiana gubernatorial election
List of shipwrecks in January 1840
1840 Ohio gubernatorial election
List of acts of the New Zealand Parliament (1840–1890)
List of shipwrecks in November 1840
1840 Arkansas gubernatorial election
1840 in Bolivia
1840 in music
1840 in Australia
1840 Virginia gubernatorial election
John Palmer (1785–1840)
1840 Natchez tornado
1840 in architecture
1840 Kentucky gubernatorial election
1840 in literature
William Strong (Vermont politician)
1840 in science
1840 Vermont gubernatorial election
1840 Iowa Council election
Railway Regulation Act 1840
Caledonian Canal Act 1840
1840 Rhode Island gubernatorial election
1840 Grand National
Battle of Sidon (1840)
1840 Missouri lieutenant gubernatorial election
La Recherche Expedition
Kharkov Theological Seminary (1840–1917)
1840 New Hampshire gubernatorial election
HMS St George (1840)
1840 New Jersey gubernatorial election
1840 in South Africa
1840–41 Royal Engineers maps of Palestine, Lebanon and Syria
Parliamentary Papers Act 1840
1840 in rail transport
1840 Naval Air Squadron
1840 North Carolina gubernatorial election
1840 South Carolina gubernatorial election
1840s
Cambodian rebellion (1840)
Beerhouse Act 1840
Limehouse railway station (1840–1926)
1840 Ahora earthquake
1840 State of the Union Address
HMS Driver (1840)
Clergy Reserves in Canada Act 1840
World Anti-Slavery Convention
1840 Maine gubernatorial election
1840 Chicago mayoral election
Parwan Campaign (1840)
Liberty Party (United States, 1840)
1840 in birding and ornithology
Archduchess Maria Anna of Austria (born 1835)
Battle of Ammal
1840 Delaware gubernatorial election
HMS Medina (1840)
Advances for Public Works Act 1840
HMS Iris (1840)
Walter Wilkins (d. 1840)
Great Raid of 1840
Giacomo Manzoni (painter)
Governor Gawler (1840 ship)
1840 Massachusetts gubernatorial election
Benjamin Franklin Stringfellow (1840–1913)
1840 Birmingham by-election
Ecclesiastical Commissioners
George Chambers (painter)
Chester and Crewe Railway
Arthur Hoare (cricketer, born 1840)
Glenburnie (1840 ship)
Battle of Santa Rita de Morelos
1839 Whig National Convention
James Campbell (Royal Marines officer)
Damascus affair
Admiralty Court Act 1840