Kingdom of Antiochos Herax
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Was the kingdom of Antiochus Herax, a brother of Seleucus II that usurped him in Anatolia.
Establishment
January 238 BC: On the death of his father, who was the ruler of the Seleucid Empire, Antiochos Herax waged war on his brother Seleucus II Callinicus, in order to seize Anatolia for himself as an independent kingdom. He defeated his brother at the Battle of Ancyra.
Chronology
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On the death of his father, in 246 BCE, Antiochus Herax waged war on his brother Seleucus II Callinicus, the ruler of the Seleucid Kingdom, in order to seize Anatolia for himself as an independent kingdom.
Was a war between the Kingdom of Pergamon and the Seleucid Kingdom where Pergamon gained control over all of Seleucid Asia Minor north of the Taurus Mountains.
January 228 BC: In the Battle of the Harpasus in Caria in 229 BC. Attalus won a decisive battle and Antiochus left to start a campaign in Mesopotamia. He gained control over Seleucid territories in Asia Minor north of the Taurus Mountains.
January 227 BC: Pergamon was again attacked by the Gauls together with their ally Antiochus Hierax, the younger brother of Seleucus II Callinicus, and ruler of Seleucid Asia Minor from his capital at Sardis. Attalus defeated the Gauls and Antiochus at the battle of Aphrodisium and again at a second battle in the east. Pergamon gained control over all of Seleucid Asia Minor north of the Taurus Mountains.
Disestablishment
January 227 BC: Pergamon was again attacked by the Gauls together with their ally Antiochus Hierax, the younger brother of Seleucus II Callinicus, and ruler of Seleucid Asia Minor from his capital at Sardis. Attalus defeated the Gauls and Antiochus at the battle of Aphrodisium and again at a second battle in the east. Pergamon gained control over all of Seleucid Asia Minor north of the Taurus Mountains.