497 BC deaths

Onesilus or Onesilos (, "useful one"; died 497 BC) was the brother of King Gorgus of the Greek city-state of Salamis on the island of Cyprus. He is known only through the work of Herodotus (Histories, V.104–115).

Artybius () was a general of ancient Persia during the reign of Darius the Great (that is, around the 5th or 6th centuries BCE). After the Ionian Revolt had broken out, he sailed with a fleet to Cyprus to conquer that island.