After his death in 323 BC, the city passed to his general Seleucus, who traded it with the Mauryans of India in 305 BC.
Seleucus I Nicator | Seleucus | Seleucus III Ceraunus | Seleucus II Callinicus |
Since Seleucus' legitimate heir, Demetrius I Soter, was still a hostage in Rome, Antiochus, with the help of King Eumenes II of Pergamum, seized the throne for himself, proclaiming himself co-regent for another son of Seleucus, an infant named Antiochus (whom he then murdered a few years later).
According to some sources, in the first half of the 6th Century BCE, during the reign of King Seleucus Arsemes, a city named Arsemia was built on the Euphrates.
Hermeias (in Greek Eρμειας or Eρμιας; died 220 BC) was a Carian by birth, who had raised himself to be the favourite and chief minister of Seleucus III Ceraunus (225–223 BC), and was left at the head of affairs in Syria by that monarch when he set out on the expedition across the Taurus Mountains, in the course of which Seleucus met with his death, 223 BC.
After the conquests by Alexander of Macedon and his death, the Persian territories fell to one of his generals, Seleucus (312 BCE), starting the Seleucid dynasty of Iran.
Seleucus II married his cousin Laodice II, by whom he had five children and among them were: Antiochis, Seleucus III Ceraunus and Antiochus III the Great.
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At the Battle of Ancyra (about 235 BC) Seleucus sustained a crushing defeat and left the country beyond the Taurus to his brother and the other powers of the peninsula.
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However, Antiochus Hierax, a younger brother of Seleucus, was set up as a rival in Asia Minor against Seleucus by a party to which Laodice herself adhered.
It is probable that there were already towns called Olbia (or Olba) and Hyria and that Seleucus I merely united them giving them his name.
It is set in the ancient Middle East after the death of Alexander the Great, and features the major historical figures of the era: Antigonus, his son Demetrius, and Seleucus, Ptolemy, and Lysimachus.
According to Plutarch, who visited Alexandria, Python of Catana and Seleucus were sent to a serapeum to ask the oracle whether Alexander's body should be sent to Alexandria and the oracle answered positively.