In our previous historical animated documentaries, we have covered the wars between the successors of Alexander the Great - the Wars of the Diadochi. The rise of the Antigonids - Antigonus and his son Demetrius made all the other Diadochi worried and eventually Cassander, Lysimachus, Seleucus, and Ptolemy united their forces. The fate of the Macedonian empire was decided at the battle of Ipsus in 301 BC.