The Battle of Ancyra was fought in ca. 239 BC between the

Seleucid The Seleucid Empire (; grc, Βασιλεία τῶν Σελευκιδῶν, ''Basileía tōn Seleukidōn'') was a Greek state in West Asia that existed during the Hellenistic period from 312 BC to 63 BC. The Seleucid Empire was founded by the ...

King

Seleucus II Callinicus Seleucus II Callinicus Pogon ( el, ; ''Kallinikos'' means "beautifully triumphant"; ''Pogon'' means "the Beard"; July/August 265 BC – December 225 BC),, . was a ruler of the Hellenistic Seleucid Empire, who reigned from 246 BC to 225 BC. Faced ...

and his brother Prince

Antiochus Hierax Antiochus (; el, Ἀντίoχoς; killed c. 226 BC), called Hierax (, Ἱέραξ, "Hawk") for his grasping and ambitious character, was the younger son of Antiochus II and Laodice I and separatist leader in the Hellenistic Seleucid kingdom, who r ...

. Civil war had raged in the Seleucid Empire since 244 BC, when Queen

Laodice I Laodice I ( el, Λαοδίκη; flourished 3rd century BC, died before 236 BC) was a Greek noblewoman of Anatolia who was a close relative of the early Seleucid dynasty and was the first wife of the Seleucid Greek King Antiochus II Theos. Family ...

had supported her son Antiochus in a rebellion against Seleucus. Antiochus fought to establish his own kingdom in

Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The ...

. He was able to take advantage of his brother's distraction and defeat at the hands of Ptolemy III in the

Third Syrian War The Syrian Wars were a series of six wars between the Seleucid Empire and the Ptolemaic Kingdom of Egypt, successor states to Alexander the Great's empire, during the 3rd and 2nd centuries BC over the region then called Coele-Syria, one of th ...

. By 239 BC Seleucus had made peace with Ptolemy and having rebuilt his army, invaded Anatolia. After the war had lasted two years or so, during which we have no information on its progress, Seleucus was defeated in a great battle against the united forces of Mithridates II of Pontus, Hierax and the Galatians near Ancyra, in around 239 BC. Seleucus was barely able to escape with his life, but lost around 20,000 of his soldiers. Grainger, "The rise of the Seleucid Empire," Page 195. Antiochus' victory at Ancyra (modern

Ankara Ankara ( , ; ), historically known as Ancyra and Angora, is the capital of Turkey. Located in the central part of Anatolia, the city has a population of 5.1 million in its urban center and over 5.7 million in Ankara Province, maki ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...

) forced Seleucus to relinquish his territories in Anatolia to him and content himself with the Seleucid lands east of the Taurus mountains.Jaques 2007, p. 50

Notes

References

* * {{coord missing, Turkey 239 BC Ancyra -239 Ancyra -239

Ancyra Ankara ( , ; ), historically known as Ancyra and Angora, is the capital of Turkey. Located in the central part of Anatolia, the city has a population of 5.1 million in its urban center and over 5.7 million in Ankara Province, mak ...

History of Ankara Province