Short answers, pulled from the story.
The Bosporan Kingdom was founded in 438 BC when Spartocus seized power to establish a dynasty. This state emerged from earlier Greek colonies like Phanagoria established in 540 BC and Panticapaeum which became its most significant city.
Major cities included Panticapaeum, Nymphaeum, Myrmekion, Theodosia, and Phanagoria along the Cimmerian Bosporus waterway. These settlements sat at a crossroads where Southeast Europe met the Eurasian steppes between the Black Sea and Sea of Azov.
Leucon I created privileges for Athenian ships at Bosporan ports in exchange for mainland goods and silver following conditions caused by the Peloponnesian War. The kingdom exported wheat fish and slaves to distant markets while maintaining close relations with Athens throughout its history.
King Mithridates VI fled to Crimea after defeat by Roman General Pompey in 66 BC before his son Machares was killed. Aspurgus succeeded Polemon I in 8 BC and founded a dynasty that endured until AD 341 with interruptions under Roman suzerainty.
The Hermitage Museum in St. Petersburg preserves gold work vases imported from Athens coarse terracottas textile fragments and specimens of carpentry. Bronze coins minted by Sauromates II between 172 and 211 AD bear legends while gold staters featuring Pan's head remain remarkable for weight and fine workmanship.