321 BC deaths

thumb|upright=1.5|In 321 BC, Craterus was killed in the battle in which Eumenes defeated Neoptolemus, in the [[Battle of the Hellespont (321 BC), Wars of the Diadochi. 1878 engraving.]] Craterus, also spelled Krateros (; 370 BC – 321 BC), was a Macedonian general under Alexander the Great and one of the Diadochi. Throughout his life, he was a loyal supporter of Alexander the Great.

Zhou Dynasty king of China from 368 to 321 BC

Ancient Macedonian general

Ancient Macedonian general

Ancient Greek general

Chinese king of Yan state from 331 to 321 BC

ancient Greek general