1866 Panic of 1866 Memphis massacre of 1866 Civil Rights Act of 1866 1866 State of the Union Address Cretan revolt (1866–1869) 1866 great fire of Portland, Maine 1866 in the United States Sanitary Act 1866 1866 Sisyphus Orissa famine of 1866 1866 United States elections 1866 Liverpool Town Council election 1866 New York state election 1866–67 United States House of Representatives elections Liberal government, 1859–1866 London Conference of 1866 1866–67 Barnes F.C. season 1866 in France 1866 Massachusetts legislature New Orleans Massacre of 1866 1866 Atlantic hurricane season Finnish famine of 1866â…

–1868 1866 Carroll Pioneers men's soccer team Girls' School Committee of 1866 1866–67 United States Senate elections 1866 in Canada Félix Baciocchi (1803–1866) 1866 in sports 1866 Oregon gubernatorial election 1866 Pennsylvania gubernatorial election 1866 Mount Herbert by-election 1866 Eye by-election Election to the Romanian throne, 1866 1866 in the United Kingdom 1866 New Brunswick general election Naval operations on Lake Garda (1866) 1866 West Virginia gubernatorial election Peace of Prague

(1866) Colony of British Columbia (1866–1871) 1866 Port Chalmers by-election 1866 East Suffolk by-election 1866 Belgian general election April 1866 Williams colonial by-election 1866 Williams colonial by-election January 1866 Williams colonial by-election 1866 New Orleans mayoral election John Dundas (1808–1866) 1866 Ipswich colonial by-election Battle of Boquerón (1866) 1866 Texas gubernatorial election February 1866 Brecon by-election Great Tea Race of 1866 1866 Chilean presidential election 1866 New Zealand general election 1866 Romanian prince referendum SS Deutschland (1866) September 1866 Clermont colonial by-election Erik af Klint (1816–1866) 1866 Swiss referendum 1866 Mitchell co