In 509 BC the Romans expelled the last king from their city and established an oligarchic republic. Rome then began a period characterized by internal struggles between patricians (aristocrats) and plebeians (small landowners), and by constant warfare against the populations of central Italy: Etruscans, Latins, Volsci, Aequi.[23] After becoming master of Latium, Rome led several wars (against …show more content…
After his victory, Caesar established himself as dictator for life.[28] His assassination led to a second Triumvirate among Octavian (Caesar's grandnephew and heir), Mark Antony and Lepidus, and to another civil war between Octavian and Antony.[29] The former in 27 BC became princeps civitatis and got the title of Augustus, founding the principate, a diarchy between the princeps and the senate.[29] Rome was established as a de facto empire, which reached its greatest expansion in the second century under the Emperor Trajan, Rome was confirmed as caput Mundi, i.e. the capital of the world, an expression which had already been given in the Republican period. During its first two centuries, the empire saw as rulers, emperors of the Julio-Claudian,[30] Flavian (who also built eponymous amphitheater, known as the Colosseum)[30] and Antonine dynasties.[31] This time was also characterized by the spread of the Christian religion, preached by Jesus Christ in Judea in the first half of the first century (under Tiberius) and popularized by his apostles through the empire and beyond.[32] The Antonine age is considered the apogee of the Empire, whose territory ranged from the Atlantic Ocean to the Euphrates and