The Arrival of the Romans
Mithridates II was succeeded by his ephemeral son, Mithridates III, and then by 220 BC his son, Pharnakes I, was on the throne. He was a powerful and aggressive monarch who ruled for over thirty years and greatly expanded the territorial extent of the kingdom. He lived in an era of great change in the Hellenistic world, as the Romans began to become involved in the destinies of the eastern Mediterranean states: Pharnakes reached out to the Romans in the 180s BC concerning territorial disputes in Asia Minor. He engaged in war with his powerful neighbor to the west, Pergamon, but was forced to sign a peace treaty not to his advantage. Yet he expanded Pontic territory along the Black Sea coast and made several alliances with the Greek cities on the northern and western coast of the sea, especially in the kingdom of Bosporos (modern Crimea).