Timeline for the Julio-Claudian Principate:
Augustus - Nero, 31 BCE - 68 CE

 
PRINCIPATE OF AUGUSTUS, 31 BCE - 14 CE
31 BCE Octavian defeats Antony and Cleopatra at Actium
29 Octavian celebrates triple triumph and dedicates Temple of Divine Julius Caesar in Rome
27 Constitutional settlement: Octavian receives name of Augustus and maius imperium for 10 years
25 Julia, daughter of Augustus, marries Marcellus
23 Augustus gravely ill; recovers, resigns consulship and receives proconsular maius imperium for five years and tribunicia potestas. Marcellus dies
22 Augustus declines dictatorship and consulship for life
21 Julia marries M. Vipsanius Agrippa
20 Parthia returns the standards to Tiberius
19 Death of Vergil
18 Augustus' imperium renewed for five years. Agrippa co-regent, with powers equal to Augustus'
17 Augustus adopts grandsons Gaius and Lucius; Ludi Saeculares celebrated, recognizing a "new age" for Rome
13 Augustus' imperium renewed for five years
12 Augustus becomes Pontifex Maximus. Death of Agrippa.
11 Tiberius divorces Agrippina and marries Julia
9 Dediation of Ara Pacis ("Altar of Peace")
8 Augustus' imperium renewed for 10 years. Death of Horace and Maecenas
6 Tiberius retires to the island of Rhodes
5 Augustus briefly holds the consulship to introduce grandson Gaius into public life
2 Augustus becomes pater patriae. Julia exiled. Dedication of Temple of Mars Ultor in Forum Augustum
2 CE Death of Augustus' grandson Lucius. Tiberius returns to Rome
3 Augustus' imperium renewed for 10 years.
4 Death of Augustus' grandson Gaius. Augustus adopts Tiberius, who receives tribunicia potestas for 10 years
6 Judaea annexed
9 Defeat of Varus in Germany and loss of three legions
13 Augustus' imperium renewed for 10 years. Tiberius co-regent, with powers equal to Augustus'
14 Death of Augustus
PRINCIPATE OF TIBERIUS, 14-37 CE
14 Accession of Tiberius. Sejanus made Praetorian Preject. Mutinies quelled on frontiers.
16 Germanicus recalled from Germany
17 Triumph of Germanicus. Death of Livy.
18 Tiberius and Germanicus consuls. Germanicus in Egypt.
19 Jews expelled from Rome. Germanicus dies in Syria
20 Trial and suicide of Piso
21 Tiberius and son Drusus consuls
23 Death of Drusus
26 Pontius Pilate appointed prefect of Judaea
27 Tiberius retires to Capreae (= Capri)
29 Death of Livia and banishment of Agrippina the Elder, widow of Germanicus
31 Tiberius and Sejanus consuls. Sejanus put to death and replaced by Macro as Praetorian Prefect
33 Death of Agrippina in exile. Gaius Caesar ("Caligula") quaestor. Crucifixion of Jesus Christ.
37 Death of Tiberius
PRINCIPATE OF CALIGULA, 37-41 CE
37 Accession of Caligula. Caligula and Claudius consuls
38 Death and deification of Drusilla, sister of Caligula. Jewish disturbances in Alexandria
39 Caligula campaigns on the Rhine. Sisters Julia and Agrippina the Younger exiled.
40 Caligula's expedition to the Channel; returns to Rome. Jewish embassy to Caligula in Rome
41 Caligula murdered
PRINCIPATE OF CLAUDIUS, 41-54 CE
41 Accession of Claudius
42 Mauretania organized as two provinces
43 Expedition to Britain; triumph in 44. Lycia organized as one province
44-46 Judaea, Thrace organized as provinces
48 Messalina killed. Claudius marries niece Agrippina the Younger
49 Seneca, in exile, recalled and made tutor of Nero, son of Agrippina
50 Claudius adopts Nero as guardian for son Britannicus
53 Nero marries Octavia. Parthians invade Armenia
54 Death of Claudius
PRINCIPATE OF NERO, 54-68 CE
54 Accession of Nero. Claudius deified.
55 Britannicus poisoned. Pallas dismissed
57 Nero orders senators and equestrian to participate in Games
59 Nero murders his mother Agrippina the Younger
61 Revolts in Britain
62 Death of Burrus. Tigellinus made Praetorian Prefect. Seneca, tutor, disgraced. Nero divorces Octavia and marries Poppaea. Octavia murdered.
64 Great fire at Rome. Persecutions of the Christians. Domus Aurea built.
65 Conspiracy of Piso. Suicides of Seneca and Lucan. Death of Poppaea
66 Suicide of Petronius. Temple of Janus closed. Nero marries Messalina
67 Vespasian in command in Judaea. Nero performs in Greece
68 Nero returns to Italy. Death of Nero.