63 AC – Born on the 23rd of September in Nola, near Naples, Rome, Roman Republic.
59 AC – When he was four years old, his father died. He was brought up by his mother and his stepfather, Lucius Marcius Philippus.
52 AC – Delivered the funeral oration for his grandmother Julia, elder sister of Caesar. He donned the toga virilis four years later, and was elected to the College of Pontiffs.
44 AC – Named heir and adopted son of Julius Caesar in Julius Caesar’s will.
42 AC – The Senate recognised Caesar as a divinity of the Roman state, "Divus Iulius". He was able to further his cause by emphasizing the fact that he was Divi filius, "Son of God".
43 AC – With Mark Antony and Marcus Lepidus, formed 2nd Triumvirate. – In Triumvirate’s division of Roman territory, received control over Africa, Sardinia, and Sicily.
42 AC – With Mark Antony, defeated Gaius Cassius Longinus and Marcus Brutus at battle of Philippi.
40 AC – To cement alliance with Mark Antony, arranged marriage of own sister, Octavia, to Antony.
38-36 AC – Defeated Sextus Pompey in Sicilian War.
37 AC – Concluded Pact of Tarentum, giving troops to Mark Antony for use in Parthian War in exchange for ships for use against Sextus Pompey.
32 AC – Fearing Cleopatra’s hold on Mark Antony, convinced senate to strip Mark Antony of all powers. 31 BC – Defeated armies of Mark Antony and Cleopatra at battle of Actium, becoming sole ruler of Rome.
31 AC – 14 AD – First Emperor of Rome (government formally organized), nominally supporting restoration of republic, with himself as princeps (first among equals).
27 AC – Officially closed temple of Janus, for 1st time since 235b, signaling peace throughout Roman world. – Received title of Augustus from senate. – Exerted tight control over membership of senate.
– Officially returned power to the Roman Senate and offered to relinquish his own military supremacy over Egypt.
23 AC – Renounced the consulship, but retained his consular imperium, leading to a second compromise between Augustus and the Senate known as the Second Settlement.
22 AC – He failed to stand for election as consul, fears arose once again that Augustus, seen as the great "defender of the people", was being forced from power by the aristocratic Senate.
22-19 AC – The people rioted in response, and only allowed a single consul to be elected for each of those years, ostensibly to leave the other position open for him.
19 AC – The Senate voted to allow him to wear the consul’s insignia in public and before the Senate, with an act sometimes known as the Third Settlement.
14 AD – Died on the 19th of August in Rome, Roman Empire.