Ancient Rome By Quintost 753 BCE Rome was founded Period: 753 BCE to 510 BCE Monarchy Period: 753 BCE to 716 BCE Romulus Reign Period: 509 BCE to 29 BCE Republic 272 BCE Romans battle greeks in Tarentum 202 BCE Battle of Zama 55 BCE Julius Caesar's invasions of Britain. Period: 49 BCE to 44 BCE Julius Caesar Reign 31 BCE Battle of Actium with the Egyptians Period: 27 BCE to 476 Imperial Period: 27 BCE to 14 Octavian Reign First Roman emperor Period: 54 to 68 Nero Reign 117 Peak of Roman Empire