1866
Panic of 1866
Memphis massacre of 1866
Civil Rights Act of 1866
1866 in the United States
Cretan revolt (1866–1869)
Sanitary Act 1866
1866 Sisyphus
1866 United States elections
1866 great fire of Portland, Maine
Orissa famine of 1866
1866 State of the Union Address
Finnish famine of 1866–1868
1866 Liverpool Town Council election
London Conference of 1866
Liberal government, 1859–1866
1866 New York state election
1866–67 United States House of Representatives elections
1866–67 Barnes F.C. season
1866 Atlantic hurricane season
New Orleans Massacre of 1866
1866 in France
1866 Massachusetts legislature
Girls' School Committee of 1866
1866 in Canada
1866–67 United States Senate elections
Battle of Custoza (1866)
Félix Baciocchi (1803–1866)
1866 Carroll Pioneers men's soccer team
1866 in sports
1866 Eye by-election
1866 Oregon gubernatorial election
1866 Pennsylvania gubernatorial election
Election to the Romanian throne, 1866
1866 Mount Herbert by-election
Colony of British Columbia (1866–1871)
1866 in the United Kingdom
1866 New Brunswick general election
Naval operations on Lake Garda (1866)
1866 Williams colonial by-election
1866 West Virginia gubernatorial election
1866 Belgian general election
Peace of Prague (1866)
1866 Port Chalmers by-election
April 1866 Williams colonial by-election
1866 Ipswich colonial by-election
1866 New Zealand general election
January 1866 Williams colonial by-election
Battle of Boquerón (1866)
John Dundas (1808–1866)
Great Tea Race of 1866
1866 Texas gubernatorial election
1866 East Suffolk by-election
February 1866 Brecon by-election
1866 New Orleans mayoral election
SS Deutschland (1866)
1866 Costa Rican general election
1866 Swiss referendum
Mekong expedition of 1866–1868
1866 Chilean presidential election
1866 Gallatin County race riot
Martin ministry (1866–1868)
November 1866 Clermont colonial by-election
1866 Mitchell colonial by-election
1866 Romanian prince referendum
September 1866 Clermont colonial by-election
Erik af Klint (1816–1866)
Members of the Victorian Legislative Assembly, 1866–1867
1866 National Union Convention
1866 West Moreton colonial by-election
Bristol (1866 steamboat)
Providence (1866 steamboat)
Brisbane Football Club (1866–1887)
1866 Port Curtis colonial by-election
United Nations Security Council Resolution 1866
Boundary Treaty of 1866 between Chile and Bolivia
Laurence Sulivan (1783–1866)
Charles Lushington (1785–1866)
Bank of Queensland (1863–1866)
Members of the Tasmanian House of Assembly, 1866–1871
Prince Sigismund of Prussia (1864–1866)
1866 Colony of British Columbia general election
Third Derby–Disraeli ministry
James Bell (footballer, born 1866)
1866–67 college soccer season
John Strode Barbour (1866–1952)
Members of the Victorian Legislative Council, 1864–1866
1866 Constitution of Romania
USS Piscataqua (1866)
1866 Swiss federal election
1866 in India
Henry Arthur Herbert (1815–1866)
William Black (1771–1866)
1866 in Russia
NGC 1866
Charles Wyndham (1796–1866)
Texas Transportation Company (1866–1896)
Henry Hoare (1807–1866)
1866 in Sweden
1866 in Chile
1866 Melbourne Cup
1866 in Wales
Parramatta (1866)
James Allan (footballer, born 1866)
William Dickson (footballer, born 1866)
1866 Grand National
1866 in Uruguay
1866 in Belgium
1866 in Australian literature
Samuel Jones (footballer, born 1866)
David Mitchell (footballer, born 1866)
October 1866 Danish Folketing election
List of shipwrecks in 1866
1866 in animation
SS Tynwald (1866)
1866 in Brazil
Henry Wellesley (1794–1866)
List of shipwrecks in June 1866
1866 in China
History of St. Louis (1866–1904)
1866 Vermont gubernatorial election
1866 in architecture
Battle of Langensalza (1866)
List of elections in 1866
1866 in Iceland
1866 in science
Zhenskii vestnik (1866)
1866 in Ireland
List of shipwrecks in February 1866
Operations in Valtellina (1866)
1866 Swedish general election
1866 Open Championship
1866 in Paraguay
Battle of Lissa (1866)
1866 in Portugal
1866 AAC Championships
French expedition to Korea
Battle of Aschaffenburg (1866)
List of shipwrecks in August 1866
List of shipwrecks in November 1866
1866 in Germany
List of shipwrecks in April 1866
1866 in art
1866 in Denmark
List of shipwrecks in May 1866
Wenonah (1866)
Billy Hamilton (baseball, born 1866)
List of shipwrecks in July 1866
List of shipwrecks in September 1866
1866 Nebraska gubernatorial election
Members of the Tasmanian House of Assembly, 1862–1866
Invasion of Trentino (1866)
List of shipwrecks in October 1866
June 1866 Danish Folketing election
1866 in Scotland
1866 in Peru
List of shipwrecks in March 1866
1866 in archaeology
Battle of Burkersdorf (1866)
1866 Helston by-election
1866 in birding and ornithology
Metric Act of 1866
Plebiscite of Veneto of 1866
1866 in Argentina
1866 in Norway
List of shipwrecks in January 1866
PS Mayflower (1866)
Standards of Weights, Measures, and Coinage Act 1866
List of shipwrecks in December 1866
1866 Georgia State Freedmen's Conventions
1866 Maine gubernatorial election
1866 in Australia
1866 Kansas gubernatorial election
A Young Lady in 1866
1866 Nevada gubernatorial election
1866 Michigan gubernatorial election
Battle of Fort Erie (1866)
List of ship launches in 1866
1866 Massachusetts gubernatorial election
Geneva Congress (1866)
1866 Connecticut gubernatorial election
1866 in literature
Treaty of Vienna (1866)
Miniature altarpiece (V&A 225-1866)
John McCartney (footballer, born 1866)
Springfield Model 1866
Metropolitan Commons Act 1866
Slave Kidnapping Act of 1866
1866 English cricket season
North German Confederation Treaty
1866 Tumut colonial by-election
1866 in paleontology
Colony of British Columbia (1858–1866)
1866 Leominster by-election
General Industrial Exposition of Stockholm (1866)
Annexation Bill of 1866
List of acts of the Parliament of the United Kingdom from 1866
The Galaxy (magazine)
1866 New Hampshire gubernatorial election
1866 Clarence colonial by-election