Olympiad: a period of four year, originally between two Olympic Games, later used as a unit for historical chronology.Every Greek city had a different calendar, often naming the year after a magistrate, making it very difficult to date events in…
Olympic Games (Greek Ὀλυμπιάς): festival in Olympia with athletic contests, celebrated every four years in honor of the supreme god Zeus.Olympic Games
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Olynthus (Greek ῎Ολυνθος): Greek town on the Chalkidike, southeast of modern Thessaloniki. It is best known as capital of the Chalkidikean League.History
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Ophellas (c.355-308): Macedonian officer, served under Alexander the Great and Ptolemy.Ophellas was born in Pella as the son of a Macedonian nobleman named Silenus. He was probably educated at the court of king Philip II (359-336) and queen Olympias, because…
Orodes III: Arsacid king of the Parthian Empire (r.c.6-c.8).
Orodes III
Shortly after the violent death of king Phraataces, the Parthian nobility elected…