Seleucus seizes Babylonia, founding Seleucid ruleJan 1, 312 BCELabels: Seleucus I, BabyloniaBritannicaBritannica
Seleucia-on-the-Tigris founded as major capitalJan 1, 305 BCELabels: Seleucia-on-the-Tigris, Seleucus IWikipediaHarvard
Seleucid–Mauryan War ends in settlementJan 1, 303 BCELabels: Chandragupta Maurya, Seleucus IBritannicaWikipedia
Battle of Ipsus reshapes Seleucid western holdingsJan 1, 301 BCELabels: Battle of, Antigonus IBritannicaBritannica
Antioch founded; later becomes Seleucid capitalJan 1, 300 BCELabels: Antioch, Seleucus IWikipediaBritannica
Antiochus III begins reign and imperial revivalJan 1, 223 BCELabels: Antiochus III, Seleucid EmpireBritannicaWikipedia
Antiochus III defeated at the Battle of RaphiaJun 22, 217 BCELabels: Battle of, Ptolemy IVWikipediaBritannica
Battle of Panium secures Coele-Syria for SeleucidsJul 1, 200 BCELabels: Battle of, Antiochus IIIWikipediaBritannica
Treaty of Apamea sharply reduces Seleucid powerJan 1, 188 BCELabels: Treaty of, RomeBritannicaWikipedia
Antiochus IV’s Jerusalem policies spark revoltJan 1, 167 BCELabels: Antiochus IV, JerusalemBritannicaBritannica
Parthians take Babylonia and investiture at SeleuciaJan 1, 141 BCELabels: Parthia, Mithridates IWikipediaBritannica
Antiochus VII dies; eastern reconquest endsJan 1, 129 BCELabels: Antiochus VII, ParthiansBritannicaWikipedia
Tigranes the Great takes Syria amid Seleucid collapseJan 1, 83 BCELabels: Tigranes the, ArmeniaWikipediaBritannica
Pompey annexes Syria, ending Seleucid dynastyJan 1, 64 BCELabels: Pompey, Roman SyriaWikipediaBritannica