Leopoldo Eleuteri was a flying ace in which deadliest conflct in history?
Leopoldo Eleuteri: "Tenente" Leopoldo Eleuteri was a World War I flying ace credited with seven aerial victories. World War I:  It was one of the deadliest conflicts in history, and paved the way for major political changes, including revolutions in many of the nations involved.
i don't know