Complex sentence: Enrico Caviglia was a distinguished officer in the Italian army, victorious on the bloody battlefields of the Great War, who rose in time to the highest rank, Marshal of Italy; he was also a Senator for life.
Split into simpler sentences: Enrico Caviglia was a distinguished officer in the Italian army. Victorious on the bloody battlefields of the Great War, he rose in time to the highest rank, Marshal of Italy; he was also made a Senator for life.