753 BCE
Romulus and Remus found Rome
509 BCE
Last king of Rome is exiled, the Roman Republic is founded
450 BCE
First written Roman law
390 BCE
Gauls sack Rome
265 BCE
Rome completes conquest of Italian peninsula
264 BCE
First Punic War begins against Carthage
216 BCE
Hannibal Barca humiliates Roman forces at the Battle of Cannae (Second Punic War)
146 BCE
Rome crushes Carthage in the Third Punic War.
107 BCE
Gaius Marius' military reforms
73 BCE
Spartacus' rebellion
49 BCE
Caesar crosses the Rubicon starting a civil war against Pompey the Great
44 BCE
Caesar is assassinated
31 BCE
Octavian defeats Mark Antony and Cleopatra at the Battle of Actium
27 BCE
Octavian granted extraordinary powers by the Senate; ending the Roman Republic and starting the Roman Empire
1 CE
Population of Rome reaches one million
9 CE
Roman forces are humiliated at the Battle of Teutoburg Forest
43 CE
Roman conquest of Britain begins
60 CE
Boudicca leads rebellion against Roman rule
64 CE
Great fire of Rome
79 CE
Vesuvius erupts destroying Pompeii and Herculaneum
80 CE
Colosseum is completed
117 CE
Rome's territories are at their largest under Emperor Trajan
122 CE
Construction of Hadrian's Wall begins
165 CE
First Great Plague of Rome
235 CE
Crisis of the Third Century begins
285 CE
Diocletian splits the Roman Empire into four entities ending the Crisis of the Third Century
325 CE
Constantine the Great reunites the Roman Empire into one entity
410 CE
Visigoths sack Rome
476 CE
Odoacer invades Italy bringing an end to the Western Roman Empire