245 BC Chr.

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Heads of state

245 BC Chr.
The Greek poet Aratos von Soloi dies.	Eratosthenes becomes the librarian of Alexandria .
245 BC Chr. In other calendars
Buddhist calendar	299/300 (southern Buddhism); 298/299 (alternative calculation according to Buddha's Parinirvana )
Chinese calendar	40th (41st) cycle , year of the fire dragon丙辰 ( at the beginning of the year wood rabbit 乙卯)
Greek calendar	3rd / 4th Year of the 133rd Olympiad
Jewish calendar	3516/17
Roman calendar	from urbe condita DIX (509)
Seleucid era	Babylon: 66/67 (New Year April); Syria: 67/68 (turn of the year October)

Events

Politics and world events

Ancient Greece

• Aratos of Sicyon becomes strategist of the Achaean League . The federal government then leads a campaign against Lokris .
• The Boeotians under their general Aboiokritos are subject to the Aitolian League at Chaironeia ; Aboiocritus is killed.
• Alexandros of Corinth is poisoned; Antigonus II Gonatas wins Corinth back by marrying Alexander's widow Nikea to his heir Demetrios . He stationed a garrison there under Persaios .

Egypt / Seleucid Empire

• Ptolemy III , King of Egypt , returns to Egypt from his Syrian campaign in the Third Syrian War to put down social unrest there.
• Seleucus II , ruler of the Seleucid Empire , regains Mesopotamia from the Egyptians.

Western Mediterranean

• Foundation of a Latin colony in Fregenae near Ostia

science and technology

• Eratosthenes succeeds Apollonios of Rhodes as head of the Alexandria library .

Born

• Ptolemy IV , Egyptian Pharaoh († 204 BC )
• 246/245 BC Chr .: Arsinoë III. , Egyptian queen († 204 BC )

Died

• Aratos von Soloi , Greek author (* around 310 BC )
• Aribazos , governor of the Seleucids
• Alexandros of Corinth , Macedonian governor in Greece