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Anatolia & CaucasusAsia

Kingdom of Bithynia

297 – 74 BCE · about 223 years

Bithynia was a Hellenistic kingdom in north-west Anatolia whose ruler Zipoites took the title of king in 297 BC. His son Nicomedes I founded Nicomedia, which grew prosperous. Its last king, Nicomedes IV, bequeathed the kingdom to Rome in 74 BC.

Key facts

Dates297 – 74 BCE
RegionAnatolia & Caucasus
ContinentAsia
CapitalNicomedia
FounderZipoites
Religion(s)Greek religion

Before & after

Followed by

Roman Republic

Sources

Dates follow widely used reference works; many ancient dates are approximate or debated. Neutral summary for general reference.