1866 Panic of 1866 Memphis massacre of 1866 Civil Rights Act of 1866 1866 in the United States 1866 great fire of Portland, Maine Cretan revolt (1866–1869) 1866 United States elections Orissa famine of 1866 Sanitary Act 1866 1866 State of the Union Address 1866 Sisyphus Finnish famine of 1866–1868 1866 New York state election 1866 Liverpool Town Council election London Conference of 1866 1866–67 United States House of Representatives elections 1866 Atlantic hurricane season 1866 in France Liberal government, 1859–1866 1866–67 Barnes F.C. season New Orleans Massacre of 1866 1866–67 United States Senate elections 1866 Massachusetts legislature 1866 Carroll Pioneers men's soccer team Girls' School Committee of 1866 Félix Baciocchi…

i (1803–1866) 1866 in Canada Battle of Custoza (1866) 1866 in sports 1866 Eye by-election 1866 Pennsylvania gubernatorial election 1866 Mount Herbert by-election 1866 West Virginia gubernatorial election 1866 Oregon gubernatorial election Election to the Romanian throne, 1866 1866 in the United Kingdom Colony of British Columbia (1866–1871) Peace of Prague (1866) Naval operations on Lake Garda (1866) 1866 New Brunswick general

election 1866 Belgian general election 1866 Williams colonial by-election April 1866 Williams colonial by-election 1866 Port Chalmers by-election 1866 East Suffolk by-election January 1866 Williams colonial by-election 1866 New Orleans mayoral election 1866 Ipswich colonial by-election John Dundas (1808–1866) Battle of Boquerón (1866) 1866 New Zealand general election Great Tea Race of 1866 SS Deutschland (1866) 1866 Texas gubernatorial election 1866 Swiss referendum 1866 Chilean presidential election 1866 Costa Rican general election February 1866 Brecon by-election 1866 Romanian prince referendum September 1866 Clermont colonial by-election Eri