View source for 320 BC

=== By place ===

==== Macedonian Empire ====
* [[Alexander the Great]]'s various generals control different parts of Alexander's empire. [[Ptolemy I Soter|Ptolemy]] controls Egypt, [[Seleucus I Nicator|Seleucus]] controls [[Babylon]] and [[Syria]], [[Antipater]] and his son [[Cassander]] control [[Macedon]] and [[Greece]], [[Antigonus I Monophthalmus|Antigonus]] controls [[Phrygia]] and other parts of [[Asia Minor]], [[Lysimachus]] controls [[Thrace]] and [[Pergamum]] and [[Eumenes]] controls the [[Cappadocia]] and [[Pontus (region)|Pontus]] areas.
* [[Judea]] and [[Syria]] are annexed by Ptolemy and he gives Judea a large measure of self-government.
* [[Eudemus (general)|Eudemus]] makes himself master of the territories of the Indian king [[King Porus|Porus]], and treacherously puts that monarch to death.