380 BC

• Persia forces the Athenians to withdraw their general Chabrias from Egypt. Chabrias has been successfully supporting the Egyptian Pharaohs in maintaining their independence from the Persian Empire.

• The Egyptian Pharaoh Hakor dies and is succeeded by his son Nepherites II,{{Cite book |last=Hornung |first=Erik |title=Ancient Egyptian Chronology |last2=Krauss |first2=Rolf |last3=Warburton |first3=David |date=2006 |publisher=Brill |isbn=978-90-04-11385-5 |series= |location=Boston}} but the latter is overthrown by Nectanebo I within the year, ending the Twenty-ninth dynasty of Egypt. Nectanabo (or more properly Nekhtnebef) becomes the first Pharaoh of the Thirtieth Dynasty of Egypt.{{Cite book |last=Lewis |first=David |title=The Cambridge ancient history |date=1994 |publisher=Cambridge university press |isbn=978-0-521-23348-4 |edition=2nd |location=Cambridge}}

• Cleombrotus I succeeds his brother Agesipolis I as king of Sparta.{{Cite book |last=Thurston Peck |first=Harry |title=Harper's Dictionary of Classical Literature and Antiquities |publisher=Harper & Brothers |year=1898 |location=New York |publication-date=1898}}

• What some historians call the Rich style in Greece comes to an end.

• Darius III, king of (Achaemenid) Persia (approximate date)
• Menaechmus, Greek mathematician and geometer (d. 320 BC)
• Pytheas, Greek explorer, who will explore northwestern Europe, including the British Isles (d. c. 310 BC) (approximate date)

• Agesipolis I, king of Sparta
• Philoxenus of Cythera, Greek dithyrambic poet (b. 435 BC)
• Hakor, king of the Twenty-ninth dynasty of Egypt
• Nepherites II, son of Hakor and last king of the Twenty-ninth dynasty

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