[2] After these successes, which were shortly followed by the fall of Lysimachus, he entrusted to his son Antiochus all his empire in Asia, and himself proceeded rapidly towards Macedonia, having with him an army both of Greeks and of foreigners. But Ptolemy, brother of Lysandra, had taken refuge with him from Lysimachus; this man, an adventurous character named for this reason the Thunderbolt, when the army of Seleucus had advanced as far as Lysimachea, assassinated Seleucus, allowed the kings to seize his wealth1, and ruled over Macedonia until, being the first of the kings to my knowledge to dare to meet the Gauls in battle, he was killed by the foreigners. The empire was recovered by Antigonus, son of Demetrius.
Edition :
Pausanias. Pausaniae Graeciae Descriptio, 3 vols. Leipzig, Teubner. 1903.
Remark :
date: The Date is taken from the New Pauly: https://referenceworks.brillonline.com/entries/brill-s-new-pauly/seleucus-e1107300?s.num=0&s.f.s2_parent=s.f.book.brill-s-new-pauly&s.q=seleucus
