Zeno institutes the sect of Stoics at Athens.
311. A temporary peace among the competitors for power in Asia. Greece is declared to be free, and Ptolemy resigns Phoenicia to Antigonus.
Roxana, the widow of Alexander the Great, and her young son Alexander Aegas, are put to death by Cassander.
The Roman consul Bubulcus penetrates into Samnium, where he is surrounded, and cuts his way through with great courage.
310. Agathocles, the Syracusan ruler, defeated by the Carthaginians at Himera, passes over to Africa and carries the war into their own country.
The Etruscans take up arms in favor of the Samnites.
Civil war in the little kingdom of Bosporus; Satyrus II, king for a few months, falls in battle.
An eclipse of the sun, August 15th.
309. Hercules, a natural son of Alexander, proclaimed king of Macedon; he is murdered by Cassander.
The Romans are victorious over the Samnites and the Etruscans.