Artaxias I establishes the Artaxiad dynastyJan 1, 189 BCELabels: Artaxias I, Artaxiad dynasty, Greater ArmeniaBritannicaIranica
Artaxata founded as a new royal capitalJan 1, 176 BCELabels: Artaxata, Artaxias I, Araks RiverArtaxataIranica
Tigranes II begins reign and builds an empireJan 1, 95 BCELabels: Tigranes II, Armenian Empire, Tigranes theBritannicaArmenia NumRes
Tigranes accepts the Syrian crownJan 1, 83 BCELabels: Tigranes II, Syrian crown, Seleucid heartlandsBritannica
Romans defeat Tigranes at TigranocertaOct 6, 69 BCELabels: Lucullus, Tigranes II, TigranocertaTigranocertaBritannica
Treaty of Artaxata makes Armenia a Roman clientJan 1, 66 BCELabels: Treaty of, Tigranes II, RomeTreaty ArtaxataBritannica
Roman intervention ends the Artaxiad dynastyJan 1, 12Labels: Artaxiad dynasty, Roman intervention, Armenian successionArtaxiadsMonarchs
Tiridates I founds the Armenian Arsacid lineJan 1, 52Labels: Tiridates I, Arsacid dynasty, ParthiaTiridates IWar 58 63
Treaty of Rhandeia formalizes shared influenceJan 1, 63Labels: Treaty of, Rome, ParthiaWar 58 63Roman Armenia
Nero crowns Tiridates I in RomeJan 1, 66Labels: Nero, Tiridates I, Rome coronationTiridates IWar 58 63
Trajan annexes Armenia as a Roman provinceJan 1, 114Labels: Trajan, Roman province, ArmeniaRoman Armenia110s
Hadrian abandons annexation and restores client kingshipJan 1, 117Labels: Hadrian, client kingship, ArmeniaRoman ArmeniaArmenian NumRes
Peace of Nisibis strengthens Roman position in ArmeniaJan 1, 298Labels: Peace of, Rome, NarsehHistory AtlasTiridates III
Armenia adopts Christianity as state religion (traditional date)Jan 1, 301Labels: Tiridates III, Gregory the, ChristianizationTiridates IIIEtchmiadzin
Battle of Bagavan checks Sasanian pressureJan 1, 371Labels: Battle of, Roman Armenian, Sasanian EmpireBagavanPeace Acilisene
Partition of Armenia divides Roman and Sasanian spheresJan 1, 387Labels: Partition of, Eastern Roman, Sasanian EmpirePeace AciliseneSasanian Armenia
Mesrop Mashtots creates the Armenian alphabetJan 1, 405Labels: Mesrop Mashtots, Armenian alphabet, literacyWorld HistoryVagharshapat
Sasanian authorities depose the last Arsacid kingJan 1, 428Labels: Artaxias IV, Sasanian marzpanate, Sasanian authoritiesArtaxias IVSasanian Armenia
Battle of Avarayr anchors later Armenian Christian identityMay 26, 451Labels: Vardan Mamikonian, Battle of, Armenian noblesAvarayrSasanian Armenia