Background
Silvio was born in Turin, the son of Eugenio Corio and Chiara Domenica.
Silvio was born in Turin, the son of Eugenio Corio and Chiara Domenica.
He trained a printer and typographer. He was conscripted in July 1897 and spent most of the next 18 months in a disciplinary battalion as a result of his political activity. However, in 1898 he fled to France in face of the repression implemented by Luigi Pelloux.
Following some initial involvement with the Turin Socialist Club, he became active as an anarchist.