179 BC: Chersonesus of Taurica enters into an alliance with Pharnacus I of Pontus
121 (111) - 63 BC: Regnal dates of Mithridates VI Eupator in Pontus
110 BC: Diophantus’ first campaign against the Scythians of Taurica. First diplomatic mission of Diophantus in the Cimmerian Bosporus
109-108 BC: Second campaign of Diophantus against the Scythians
107-106 BC: Saumacus’ revolt
106 BC: Diophantus’ campaign against Saumacus; Diophantus is victorious and the Kingdom of Bosporus is finally annexed by the Kingdom of Pontus