This man's Mediterranean power was secured by an alliance with the League o
This man's Mediterranean power was secured by an alliance with the League of Islanders. After he was appointed to the post of somatophylax, he captured Bessus, the assassin of Darius III. This man founded the Mouseion and wrote a history of military campaigns he participated in that became a major source for Arrian. He acquired his first wife Artacama during the mass wedding at Susa, cemented a later alliance by marrying Antipater's daughter Eurydice, and finally chose another wife, (*) Berenice, to elevate to the title of queen. After coming to the rescue of Rhodes against Antigonus, he received his usual title. This founder of the Serapis cult and the Library of Alexandria was succeeded by Philadelphus. For 10 points, name this first ruler of the Macedonian dynasty in Egpt.
This man's Mediterranean power was secured by an alliance with the League of Islanders.
Ptolemy I Soter [or Ptolemy Soter; prompt on Ptolemy]