Diogenes was the Macedonian commander of the Antigonid garrison in Piraeus in the third quarter of the third century BC.
In 229 BC, he abandoned the garrison and returned Piraeus to the Athenians in exchange for a payment of 150 talents, making Athens free from foreign military occupation for the first time in 65 years.
Euergetes (Ancient Greek: Εὐεργέτης, Euergétēs), meaning "the Benefactor" (from ευ-, "good", + εργετης, "doer, worker"), was an epithet, an honoring title, given to various benefactors. Euergetism (literally "doing good deeds") was the practice of high-status and wealthy individuals distributing part of their wealth to the community.For example,
The title was given to several Hellenistic monarchs:
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