Question

This Roman general conquered Gaul. After

winning a civil war against Pompey Magnus
he became dictator for life but was murdered
by the senate

Answer 1

His name is Julius Caesar.

Step-by-step explanation:

Julius Caesar is seen as one of the greatest generals in the history of human kind. He participated in many war campaigns, and the one mentioned in here against Gaul was described in one of his books.

On the other side, he formed alliance with Pompey, but later they became enemies, and Caesar defeated him.

Among those who killed was his close friend Brutus.