The End of Reforms: 149-121 BC
- 133: Tiberius Gracchus, leader of a reform movement, is murdered.
- 123-121: Gaius Gracchus, Tiberius Gracchus's brother, is also murdered.
The Civil War: 100-63 BC
- 107-100: Marius is Consul, that is, he is head of the Roman army.
- 106: Marius begins his military reforms.
- 88: Sulla, consul, marches on Rome.
- 87: Marius seizes Rome
- 82-79: Sulla, as consul, institutes a series of constitutional reforms.
- 73-71: The slave revolt led by Spartacus.
- 70: Pompey and Crassus are consuls.
- 63: Cataline's conspiracy.
The Career of Julius Caesar: 60-31 BC
- 60-53: Julius Caesar, Pompey and Crassus form the first Triumvirate
- 59: Julius Caesar is consul.
- 58-50: Julius Caesar conquerors Gaul.
- 49: Julius Caesar crosses the Rubicon
- 49-45: Julius Caesar and Pompey fight a Civil War. Pompey is defeated.
- 46: Julius Caesar becomes Consul for Life.
- 44: Julius Caesar is assassinated.
- 43-36: Octavian, Mark Anthony and Lepidus form the Second Triumvirate.
- 31: Octavian defeats Mark Anthony and Cleopatra at the Battle of Actium.