 Complete the following phrase:  When war broke out between Italy and the Austro-Hungarian Empire, Toti tried to volunteer for the Italian army but was not accepted due to his injury. Undaunted, he reached the frontline with his bicycle and managed to serve as an unpaid, unregistered, fully non-regulation civilian volunteer attached to several units. Forced to leave the combat zone and return home by the Carabinieri Military Police, Toti stubbornly returned to the front and finally managed to join still unofficially the 3rd Bersaglieri Bicycle Battalion. He was killed in the 