60 BCE- Caesar enters into a business/political agreement with Pompey and Crassus, known as The First Triumvirate.
58 BCE- Caesar leaves Rome with his legions and went to Gaul in defeating the tribes there and securing the borders of the provinces.
54 BCE- Crassus was killed in battle against the Parthians in and, that same year, Julia died in childbirth.
Oh no my daughter is dead
Pompey became the sole military and political power in Rome and had the senate declare Caesar’s governorship of Gaul terminated and, further, ordered him to return to Rome as a private citizen. This would mean Caesar could be prosecuted for his actions when he was consul.
Ceaser must pay
48 BCE- Caesar does not want to return to Rome as a citizen, so he marches his army across the Rubicon River in and into the city of Rome. This was an act of war. Pompey, knowing Caesar’s military strength, fled to Egypt and was instantly killed.
He's coming I must go!
How dare he!
48 BCE- Caesar arrived in Egypt in pursuit of Pompey, claimed outrage over Pompey’s death, and took over the royal palace by marrying Cleopatra.