Dominical Letter

Dominical Letter, one of seven letters, A, B, C, D, E, F, G, used to mark the Sundays throughout the year, so that if A denote the first Sunday, it will denote all the rest, and so on with B, C, &c., till at the end of seven years A becomes the dominical letter again.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Dominica * Dominican Republic
Dolomite Alps
Domat, Jean
Dombasle
Dom-Boke
Dombrowski, John Henry
Domdaniel
Domenichi`no
Domesday Book
Dominic de Guzman, St.
Dominica
Dominical Letter
Dominican Republic
Dominicans
Dominie, Sampson
Dominis, Marco Antonio de
Domitian
Domrémy
Don
Don Juan
Don Quixote
Donaldson, John William