1866 deaths
A
Adrien-François Servais
Agustín Jerónimo de Iturbide y Huarte
Alfred Madison Barbour
Anthony O'Regan
B
Bannon Goforth Thibodeaux
Bernhard Riemann
C
Carl d´Unker
Charles H. Peaslee
Charles Sawyer Russell
D
Danville Leadbetter
Dean Richmond
Dmitry Karakozov
E
Eli Metcalfe Bruce
F
François-Xavier Garneau
G
Gábor Klauzál
George Venables-Vernon, 5th Baron Vernon
H
Henry Cornelius Burnett
Henry Craik (evangelist)
Henry Darwin Rogers
Henry M. Judah
Henry Petty-Fitzmaurice, 4th Marquess of Lansdowne
Henry Watkins Allen
Hermann Goldschmidt
J
James F. Trotter
James Henry Lane (Indiana and Kansas)
James Nagle
Jean-Louis Beaudry
Johan Arnold Smellekamp
John Bernard Fitzpatrick
John G. Davis
John K. Jackson
John Mason Neale
John McDouall Stuart
John Thornton Down
Joshua Maria Young
Jules Dupuit
K
Kaahumanu IV
Kanaung Mintha
L
Lysander Cutler
M
Manuel Felipe de Tovar
Maria De Mattias
Maria Susanna Cummins
Martin Luther Smith
Matthew Rosamund
Miguel of Portugal
Mikael Nalbandian
N
Niwa Nagatomi
P
Paulino Soares de Sousa, 1st Viscount of Uruguay
Pinklao
Prince Anton of Hohenzollern-Sigmaringen
Prince Sigismund of Prussia (1864–1866)
R
Robert Townsend (captain)
S
Seth Williams
Solomon Foot
Stephen Elliott (bishop)
T
Tokugawa Iemochi
W
William W. Orme