The Collaborative International Dictionary of English v.0.48:

Solferino \Sol`fe*ri"no\, n.
   A brilliant deep pink color with a purplish tinge, one of the
   dyes derived from aniline; -- so called from Solferino in
   Italy, where a battle was fought about the time of its
   discovery.
   [1913 Webster]

WordNet (r) 3.0 (2006):

solferino
    n 1: a pink dye that was discovered in 1859, the year a battle
         was fought at Solferino [syn: solferino, purplish pink]
    2: an indecisive battle in 1859 between the French and
       Sardinians under Napoleon III and the Austrians under Francis
       Joseph I [syn: Solferino, battle of Solferino]