Caesar entered and climbed the ranks in the Roman political system, growing into the position of quaestor in 69 BC, aedile in 65 BC, and proctor in 62 BC. When he returned to Rome in 60 BC, Caesar made a promise with Pompey and Crassus, who assisted in his election to consul for 59 BC. Caesar then returned to Italy, ignoring the command of the Senate and famously crossing the Rubicon river without disbanding his army. With a civil war ensuing, Caesar defeated the republican