H.H. Scullard. A History of the Roman World 753-146 BC. London: Methuen & Co. Ltd., 1980.
| 509 | Fall of the Monarchy |
| 501 | 1st dictator appointed |
| 494 | 1st Plebeian Secession |
| 486 | Spurius Cassius proposes 1st Agrarian Law |
| 471 | Lex Publilia Voleronis; Concilium plebis and tribunes officially recognized |
| 459? | Number of tribunes raised to 10 |
| 456 | Lex Icilia de Aventino publicando |
| 451-50 | Decemvirates; Publication of XII Tables |
| 449 | Secession of the Plebs; Valerio-Horatian laws (restored right of appeal, gave plebescite the force of law, and reaffirmed the sanctity of the tribunes) |
| 447 | Quaestors popularly elected. Comitia tributa may have begun |
| 445 | Lex Canuleia (allowed plebeians and patricians to marry and assigned children to the father's gens); military tribunes with consular powere replaced the consulship |
| 443 | Censors established (previously, consuls assigned people to their tribes and centuries and rept track of who was to serve in the cavalry) |
| 421 | Number of Quaestors raised to 4 and the position was opened to plebeians |
| 396 | Introduction of military pay |
| 387 | 4 rustic tribes (25 tribed total) |
| 367 | Laws of Licinius and Sextius; consulship restored; curule aedileship created |
| 366 | 1st plebeian consul; praetorship created; curule aedile to alternate annually between patrician and plebeian |
| 358 | 2 new tribes (27 total) |
| 357 | Lex Manlia - Government tax on manumission; interest rate fixed |
| 356 | 1st plebeian dictator |
| 352 | Quinqueviri mensarii established |
| 351 | 1st plebeian censor |
| 342 | Military mutiny and secession; Leges Genuciae |
| 340-338 | Latin revolt |
| 339 | Leges Publiliae |
| 337 | 1st plebeian praetor |
| 332 | 2 new tribes in Latium (29) |
| 326 | 1st use of prorogatio imperii. Lex Poetilia for debt |
| 318 | Two new tribes in Campania (31) |
| 312 | Censorship of Appius Claudius |
| 311 | Duoviri navales appointed |
| 304 | Repeal of reform of Appius Claudius; Flavius publishes 'legis actiones' |
| 300 | Lex Valeria de provocatione; Lex Ogulnia opened priestly college to plebeians |
| 299 | 2 new tribes (total 33) |
| 293? | Lex Maenia |
| 289 | Mint and triumviri monetales established |
| 287 | Lex Hortensia |
