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509 BCE480 BCE450 BCE420 BCE390 BCE
Michael CarricoMichael Carrico
Updated:Apr 23, 2026
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Overthrow of the Roman Monarchy and Early Republic Establishment (509–390 BCE)

Overthrow of the Roman Monarchy and Early Republic Establishment (509–390 BCE)

  1. Overthrow of monarchy and consuls installed

    Labels: Consuls, Lucius Tarquinius

  3. Battle of Silva Arsia against Tarquinian allies

    Labels: Silva Arsia, Etruscans

  4. Battle of Lake Regillus ends Tarquinian hopes

    Labels: Lake Regillus, Latin League

  5. First secession of the plebs to Mons Sacer

    Labels: Plebs, Mons Sacer

  6. Tribunate of the plebs created

    Labels: Tribune of, Plebeians

  7. Foedus Cassianum alliance with Latin League

    Labels: Foedus Cassianum, Latin League

  8. Decemviral commission replaces regular magistrates

    Labels: Decemviri, Roman magistrates

  9. Law of the Twelve Tables drafted and posted

    Labels: Twelve Tables, Roman law

  10. Second secession forces decemvirs to abdicate

    Labels: Decemviri, Plebeians

  11. Valerio-Horatian laws restore appeal and plebeian safeguards

    Labels: Valerio-Horatian laws, Tribune of

  12. Lex Canuleia permits patrician–plebeian intermarriage

    Labels: Lex Canuleia, Patricians

  13. Battle of the Allia and Gallic victory

    Labels: Battle of, Gauls

  14. Gauls sack Rome in First Sack of Rome

    Labels: Sack of, Gauls