Julius CaesarGaius Julius Caesar 100 BCE to 44 BCE - Julius Caesar was a Roman politician and general. He was able to secure power through political alliances and successful military campaigns. He created the First Triumvirate to ally himself with Pompey and Marcus Licinius Crassus. As governor he headed successful military campaigns through Gaul. Caesar later started a civil war to seize power from the Roman Senate and became the dictator. His assassination led to the events of his adopted son, Augustus, becoming the first emperor of the Roman Empire.