44BC Julius Caesar assassinated
44-31BC The Triumvirate of Marc Antony, Lepidus, and Octavian (later known as Caesar Augustus) rule Rome
31 BC - Antony and Cleopatra are defeated by Octavian
31BC-14AD Octavian becomes Caesar Augustus, the first Roman emperor
27 BC - 14 AD Augustus becomes Emperor
14 - 37AD Tiberius, stepson of Caesar Augustus, becomes emperor
33AD Crucifixion of Jesus and the origin of Christianity
37 - 41 Gaius (Caligula) crowned Emperor
41 - 54 Claudius proclaimed Emperor
54 - 68 Nero proclaimed Emperor
64AD Fire destroyed much of Rome during Nero's rule
68AD The death of Nero ended the infamous Julio-Claudian dynasty
75-80 The Roman emperors build the Colosseum as a place of gladiatorial combat
180AD Commodius succeeds his father Marcus Aurelius and imperial power begins to decline
305AD Constantine became the first Christian emperor
380 Christianity is declared the sole religion of the Roman Empire by Theodosius I
410AD The Visigoths, led by Alaric, sack Rome
455AD The Vandals, led by Gaiseric, sack Rome
476 AD The last Roman Emperor was Romulus Augustulus who was defeated by Odoacer, a German Goth
Concise History of the Ancient Roman Empire