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