58 - Answer Caesar begins first 5 year command in Gaul
55-54 - Answer Caesar's conquest of Britain
53 - Answer Crassus killed at Carrhae against Parthians
51 - Answer Gaul made a province
7 Jan. 49 - Answer senate declares martial law against Caesar
11 Jan. 49 - Answer Caesar crosses the Rubicon River, thereby declaring civil war
48 - Answer Pompey defeated at Pharsalus by Caesar
15 March 44 - Answer Caesar assassinated
42 - Answer Brutus and Cassius defeated at Philippi by Octavian and Antony
2 Sept. 31 - Answer Battle of Actium
13 Jan. 27 - Answer Octavian hands back all power to senate
16 Jan 27 BC - Answer Senate bestows title Augustus on Octavian
AD 9 - Answer Clades Variana and end of major Roman expansion
14 - Answer Death of Augustus
27 BC - AD 68 - Answer Julio-Claudian dynasty (Augustus to Nero)
43-74 - Answer Conquest of Britain
69 - Answer Year of the Four Emperors
69-96 - Answer Flavian dynasty (Vespasian to Domitian)
96-180 - Answer Adoptive emperors (Nerva to Marcus Aurelius)
117 - Answer Abandonment of Trajan's eastern conquests