Re: Event of the Year
 

354 BC

Reflecting the growing level of discontent with his tyrannical conduct, Dion is assassinated by Callippus, an Athenian who has accompanied him on his expedition to take over as tyrant of Syracuse. Dionysius II remains in exile in Italy.

Re: Event of the Year
 

355 BC

King Artaxerxes III of Persia forces Athens to conclude a peace which requires the city to leave Asia Minor and to acknowledge the independence of its rebellious allies.

Greece

Re: Event of the Year
 

356 BC

Chares is given complete command of the Athenian fleet and withdraws to the Hellespont to move against Byzantium. The generals Timotheus, Iphicrates and his son Menestheus are sent to help him when the enemy fleet is sighted on the Hellespont. Timotheus and Iphicrates refuse to engage due to a severe gale, but Chares does engage and lose many of his ships. Timotheus and Iphicrates are accused by Chares and put on trial, however only Timotheus is condemned to pay a fine.

Re: Event of the Year
 

358 BC

Cersobleptes, in conjunction with his brothers, Amadocus and Berisades, inherits the dominions of the Thracian king, Cotys I, following his murder. However, the overall management of Thracian affairs is assumed by the Euboean adventurer, Charidemus, who is connected by marriage with the royal family, and who plays the prominent part in the ensuing negotiations with Athens for the possession of the Thracian Chersonese.

Re: Event of the Year
 

360 BC

Plato writes the dialogues Timaeus and Critias, first mentioning Atlantis.

Re: Event of the Year
 

361 BC

The Egyptians under their King Teos and the Spartans under King Agesilaus II, with some Athenian mercenaries under their general Chabrias, set out to attack the Persian King's Phoenician cities. However, they have to return almost at once due to revolts back in Egypt. Subsequently, Agesilaus II quarrels with the Egyptian king and joins a revolt against him

Egypt

Re: Event of the Year
 

362 BC

The outbreak of civil war in the Arcadian league leads to Mantinea fighting alongside Sparta and Athens, while Tegea and others members of the league side with Thebes. The Theban general, Epaminondas, heads the large allied army in the Peloponnesus. He is met by Sparta (led by Spartan general Archidamus III), Athens, and their allies in the Battle of Mantinea.

Re: Event of the Year
 

363 BC

The Theban general, Epaminondas, makes a bold attempt to challenge Athens' naval empire. With a new Boeotian fleet, he sails to Byzantium, with the result that a number of cities in the Athenian Empire rebel against their now threatened masters

Re: Event of the Year
 

365 BC

Perdiccas III of Macedon, son of Amyntas III and Eurydice II, kills Ptolemy of Aloros, who has been the regent of Macedon since he arranged the assassination of Perdiccas III's brother Alexander II in 368 BC. With Ptolemy's death, Perdiccas III becomes King of Macedon in his own right.

Re: Event of the Year
 

366 BC

Athens founds the town of Kos on the island of Kos in the Aegean Sea

Greece