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Roman Republic and Empire

Overview

Rome evolved from a small Italian city-state through a kingdom, republic (50927 BCE), and empire (27 BCE 476 CE in the West) that dominated the Mediterranean world. Roman law, engineering, and governance profoundly shaped Western civilization. @t[~753 BCE..476]

Key Facts

  • Region: Mediterranean basin, Western Europe, North Africa, Near East
  • Kingdom: ~753509 BCE @t[~753 BCE..509 BCE]
  • Republic: 50927 BCE @t[509 BCE..27 BCE]
  • Empire: 27 BCE 476 CE (Western), continued as Byzantine Empire in the East @t[27 BCE..476]
  • Capital: Rome; later Constantinople (from 330 CE) @t[=0330]
  • Language: Latin
  • Writing: Latin alphabet
  • Territory at peak: ~5,000,000 km² (under Trajan, 117 CE) @t[=0117] 1
  • Population at peak: ~5575 million (scholarly estimates) 1

Major Periods

  • Roman Kingdom (~753509 BCE): Legendary founding by Romulus @t[~753 BCE..509 BCE]
  • Early Republic (509264 BCE): Expansion in Italy, Conflict of the Orders @t[509 BCE..264 BCE]
  • Late Republic (26427 BCE): Punic Wars, civil wars, Caesar's assassination (44 BCE) @t[264 BCE..27 BCE]
  • Principate (27 BCE 284 CE): Augustus through the Crisis of the Third Century @t[27 BCE..284]
  • Dominate (284476 CE): Diocletian's reforms through the fall of the Western Empire @t[284..0476]

Government and Constitution

The Roman Republic operated under a "mixed constitution" praised by the Greek historian Polybius (Histories, Book VI, c. 150 BCE) as combining monarchic, aristocratic, and democratic elements 2 :

  • Consuls: Two annually elected magistrates holding executive and military authority (monarchic element)
  • Senate: ~300 members drawn from former magistrates, controlling finances and foreign policy (aristocratic element)
  • Assemblies: Popular legislative bodies (Comitia Centuriata, Comitia Tributa) holding formal legislative power (democratic element)

The Conflict of the Orders (494287 BCE) gradually secured equal political rights for plebeian citizens, culminating in the Lex Hortensia (287 BCE), which made plebiscites binding on all Romans @t[494 BCE..287 BCE] 3 .

Under the Empire, the Senate retained formal prestige but real power shifted to the emperor (princeps). Diocletian's Dominate (284 CE) formalized autocratic rule, abandoning the republican fiction of the Principate @t[=0284].

Achievements

  • Roman law: Foundation of Western legal tradition 4
  • Engineering: Aqueducts, roads (~400,000 km network), concrete, the Colosseum
  • Pax Romana (~27 BCE 180 CE): ~200 years of relative peace and prosperity @t[27 BCE..180]
  • Latin language and literature: Virgil, Ovid, Cicero, Tacitus

Fall of the Western Empire

The Western Roman Empire fell in 476 CE when Odoacer deposed Emperor Romulus Augustulus @t[=0476]. Contributing factors included barbarian invasions, economic decline, military overextension, and administrative fragmentation 5 .



Review Queue

  • @q[temporal] Line 8: "Region: Mediterranean basin, Western Europe, North Africa, Near East" - when was this true?

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  • @q[temporal] Line 39: "Latin language and literature: Virgil, Ovid, Cicero, Tacitus" - when was this true?

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  • @q[missing] Line 8: "Region: Mediterranean basin, Western Europe, North Africa, Near East" - what is the source?

  • @q[missing] Line 9: "Kingdom: ~753509 BCE @t[~753 BCE..509 BCE]" - what is the source?

  • @q[missing] Line 10: "Republic: 50927 BCE @t[509 BCE..27 BCE]" - what is the source?

  • @q[missing] Line 11: "Empire: 27 BCE 476 CE (Western), continued as Byzantine Empire in the Eas..." - what is the source?

  • @q[missing] Line 12: "Capital: Rome; later Constantinople (from 330 CE) @t[=0330]" - what is the source?

  • @q[missing] Line 13: "Language: Latin" - what is the source?

  • @q[missing] Line 14: "Writing: Latin alphabet" - what is the source?

  • @q[missing] Line 19: "Roman Kingdom (~753509 BCE): Legendary founding by Romulus @t[~753 BCE..50..." - what is the source?

  • @q[missing] Line 20: "Early Republic (509264 BCE): Expansion in Italy, Conflict of the Orders @t..." - what is the source?

  • @q[missing] Line 21: "Late Republic (26427 BCE): Punic Wars, civil wars, Caesar's assassination ..." - what is the source?

  • @q[missing] Line 22: "Principate (27 BCE 284 CE): Augustus through the Crisis of the Third Cent..." - what is the source?

  • @q[missing] Line 23: "Dominate (284476 CE): Diocletian's reforms through the fall of the Western..." - what is the source?

  • @q[missing] Line 27: "Consuls: Two annually elected magistrates holding executive and military auth..." - what is the source?

  • @q[missing] Line 28: "Senate: ~300 members drawn from former magistrates, controlling finances and ..." - what is the source?

  • @q[missing] Line 29: "Assemblies: Popular legislative bodies (Comitia Centuriata, Comitia Tributa) ..." - what is the source?

  • @q[missing] Line 37: "Engineering: Aqueducts, roads (~400,000 km network), concrete, the Colosseum" - what is the source?

  • @q[missing] Line 38: "Pax Romana (~27 BCE 180 CE): ~200 years of relative peace and prosperity ..." - what is the source?

  • @q[missing] Line 39: "Latin language and literature: Virgil, Ovid, Cicero, Tacitus" - what is the source?

  • @q[stale] Line 16: "Population at peak: ~5575 million (scholarly estimates) 1 " - Harper source from 2017 may be outdated, is this still accurate?

  • @q[stale] Line 36: "Roman law: Foundation of Western legal tradition 4 " - Jolowicz source from 1972 may be outdated, is this still accurate?


  1. Harper, K. The Fate of Rome: Climate, Disease, and the End of an Empire (Princeton University Press, 2017) ↩︎

  2. Polybius. Histories, Book VI (c. 150 BCE). Trans. W.R. Paton (Loeb Classical Library, 1922) ↩︎

  3. Cornell, T.J. The Beginnings of Rome: Italy and Rome from the Bronze Age to the Punic Wars (Routledge, 1995) ↩︎

  4. Jolowicz, H.F. Historical Introduction to the Study of Roman Law (Cambridge, 1972) ↩︎

  5. Heather, P. The Fall of the Roman Empire (Oxford, 2006) ↩︎