Births on January 6

Adeline Genée, Danish-born British ballerina (d. 1970)

Dame Adeline Genée DBE (born Anina Kirstina Margarete Petra Jensen; 6 January 1878 – 23 April 1970) was a Danish-British ballet dancer.

18 Feb

Lincoln County War
John Tunstall is murdered by outlaw Jesse Evans, sparking the Lincoln County War in Lincoln County, New Mexico.
3 Mar

Treaty of San Stefano
The Russo-Turkish War ends with Bulgaria regaining its independence from the Ottoman Empire according to the Treaty of San Stefano; a few months afterwards the Congress of Berlin stripped its status to a vassal principality of the Ottoman Empire.
25 May

Comic opera
Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
15 Jun

Sallie Gardner at a Gallop
Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.
22 Oct

Salford, Greater Manchester
The first rugby match under floodlights takes place in Salford, between Broughton and Swinton.