How many years did the roman empire last?

The dates surrounding the Roman Empire vary based upon different definitions of the word empire. The earliest recorded knowledge of Roman cities dates back to 753 B.C., but many use 201 B.C. The traditional date for the fall of the empire is 476 A.D. after the last emperor's death. read more

The Roman empire under Hadrian (ruled 117–138) showing the location of the Roman legions deployed in AD 125 After the Punic Wars, the Imperial Roman army was composed of professional soldiers who volunteered for 20 years of active duty and five as reserves. read more