317 BC

Events

Seleucus joins Antigonus against Eumenes and recaptures Babylon.
Armenia's Persian satrap, Ardvates, frees his country from Macedonian control.
After capturing Athens from Macedonia's regent Polyperchon, Cassander entrusts the government of Athens to the Athenian orator, statesman, and philosopher, Demetrius Phalereus.
Polyperchon flees to Epirus, where he joins Alexander the Great's mother Olympias, Alexander's widow Roxana, and Alexander's infant son Alexander IV. He forms an alliance with Olympias, who is acting as regent for Alexander IV, and King Aeacides of Epirus.
While Cassander is occupied in the Peloponnesus, Olympias leads an army into Macedonia. She is initially successful, defeating the army of King Philip III Arrhidaeus and captures King Philip and his wife, Eurydice, as well as Cassander's brother, Nicanor, and has them murdered.
Ptolemy marries Berenice, lady-in-waiting to Eurydice, wife of Ptolemy.

Acestorides, a native of Corinth, is made supreme commander by the citizens of Syracuse.
After twice being banished for attempting to overthrow the oligarchical party, Agathocles returns with an army and banishes or murders about 10,000 citizens (including the oligarchs), and sets himself up as tyrant of Syracuse. Acestorides is banished from the city.

Menander wins the first prize at the Lenaian festival with his play Dyskolos (The Grouch).