Editing Timeline of Roman history (section)

== 5th century BC ==
{| class="wikitable" width="100%"
! style="width:6%" | Year || style="width:10%" | Date || Event
|-
| {{dr|y|y|-496|0|ysa}} || || ''[[Battle of Lake Regillus]]'': [[Latin League]] invasion near modern [[Frascati]] which sought to reinstall [[Lucius Tarquinius Superbus]].
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| {{dr|y|y|-494|0|ysa}} || || [[First secessio plebis|''First'' secessio plebis]]:
[[Lucius Sicinius Vellutus]], the ''[[plebs]]'' abandoned [[Rome]] for the nearby [[Monte Sacro]].
|-
| {{dr|y|y|-471|0|ysa}} || || After a law allowing organization of the ''[[plebs]]'' [[Roman tribe|tribe]], the [[Plebeian Council]] was reorganized by tribes rather than [[curia]]e.
|-
| {{dr|y|y|-459|0|ysa}} || || Under popular pressure, the [[Roman Senate|Senate]] increased the [[Tribune of the Plebs|tribunes of the ''plebs'']] from two to ten.
|-
| {{dr|y|y|-458|0|ysa}} || || During the first dictatorship of [[Cincinnatus]], the [[Aequi]]ans staged an offensive, breaking a truce. Cincinnatus defeated the Aquians at the [[Battle of Mount Algidus]] and after a triumph, returned to his farm after sixteen days.<ref name=":0">{{cite book|last=Forsythe|first=Gary|title=A Companion to Livy|date=2015|publisher=John Wiley & Sons|location=Chichester|pages=313–329}}</ref>
|-
| rowspan="2" valign="top" | {{dr|y|y|-449|0|ysa}} || || Resolutions of the [[Plebeian Council]] were given the full force of law subject to [[Roman Senate|Senate]] veto.
|-
| || The second of two [[decemviri]], specially-elected ten man commissions, issued the last of the [[Twelve Tables]], the fundamental laws of the Republic.
|-
| {{dr|y|y|-447|0|ysa}} || || The [[Tribal Assembly]] was established, and granted the right to elect [[quaestor]]s.
|-
| {{dr|y|y|-445|0|ysa}} || ||''[[Lex Canuleia]]:'' Marriage between [[Patrician (ancient Rome)|patricians]] and [[plebs|plebeians]] was legalized.
|-
| rowspan="2" valign="top" | {{dr|y|y|-443|0|ysa}} || || The offices of the ''[[Tribuni militum consulari potestate]]'' were established.  A [[collegium (ancient Rome)|collegium]] of three [[patrician (ancient Rome)|patrician]] or [[plebs|plebeian]] [[tribune]]s, one each from specific [[Roman tribe]]s (the Titienses, the Ramnenses, and the Luceres), would hold the power of the [[Roman consul|consuls]] from year to year, subject to the [[Roman Senate|Senate]].
|-
| || The office of the [[Roman censor|censor]], a [[patrician (ancient Rome)|patrician]] magistrate responsible for conducting the [[census]] in years without a [[Roman consul|consul]], was established.
|-
| {{dr|y|y|-439|0|ysa}} || || Cincinnatus was called upon to accept a second dictatorship by the patricians to prevent [[Spurius Maelius]] from seizing power; the patricians suspected Spurius of using wheat to purchase the support of the plebeians, to set himself up as a king. [[Gaius Servilius Ahala]] was appointed [[magister equitum]] in order to stop Maelius; following an attack by Maelius, Ahala slew him. Cincinnatus again resigned his dictatorship and returned to his farm after 21 days.<ref name=":0"/>
|-
| {{dr|y|y|-435|0|ysa}} || || [[Capture of Fidenae (435 BC)|Fidenae]], an important trade post on the Tiber, was captured from the Veii.<ref>{{cite book|last1=Grant|first1=Michael|title=The History of Rome|date=1993|publisher=Faber & Faber|page=42}}</ref>
|-
| {{dr|y|y|-408|0|ysa}} || || The ''[[Tribuni militum consulari potestate]]'' held office.
|}