354 BC

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Events

By place

Greece

* 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.
* Athens recognises the independence of Chios, Kos and Rhodes and makes peace with Mausolus of Caria.
* The Phocians suffer a defeat in the Sacred War against Athens.
* Philip II of Macedon takes and destroys Methone, a town which has belonged to Athens. During the siege of Methone, Philip loses an eye.

Roman Republic

* Rome allies itself with the Samnites and they agree on a mutual defence pact against the Gauls. Rome also defeats the Etruscans of the city of Caere.

China

* The State of Qi is victorious over the State of Wei in the Battle of Guiling, a conflict which involves the military strategy of Sun Bin.

By topic

Architecture

* The Mausoleum at Halicarnassus in Caria, the tomb of King Mausolus and one of the Seven Wonders of the World, is built.

Births

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Deaths

* Dion, tyrant of Syracuse (assassinated) (b. c. 408 BC)
* Timotheus, Athenian statesman and general