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