I have a history book from Cerda when I was in Italy in 2005.This booklists all the men who went off to WW1 & WW2 from this village.I found the following Lanza Family member in this book if this is useful for someone.
Lanza Calogero di Antonino e di N.N. Caporale maggiore 222 reggimento fanteria. Nato il 14 dicembre 1893 a Cerda.Distretto militare di Cefalu. Morto il 16 Maggio 1916 in Val Sugana (Monte Collo)per ferita da proiettile.
Translation Babelfish.com Lanza Calogero di Antonino and of N.N. 222 greater Corporal infantry regiment. Been born 14 December 1893 to Cerda. Military district of Cefalu. Died 16 May 1916 in Val Sugana (Collo)per Mount hurt from it projects them.