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