Libya–European Union relations known as Cyrenaica. The Greeks of the Pentapolis resisted encroachments by the Ancient Egyptians from the East, as well as by the Carthaginians from the West, but in 525 BCE the Persian army of Cambyses II overran Cyrenaica, which for the next two centuries remained under Persian or Egyptian rule. Alexander was greeted by the Greeks when he entered Cyrenaica in 331 BCE, and Eastern Libya again fell under the control of the Greeks, this time as part of the Ptolemaic Kingdom. The Carthaginian Empire rose to power to hold sway over the coast of much of modern-day Libya, but
Greeks in Russia and the Soviet Union from Central Asia and Georgia. Today most Greeks in the former USSR speak Russian, with a significant number speaking their traditional Pontic Greek. Pontian is a Greek dialect that derives from the ancient Ionic Greek dialect and resembles ancient Greek more than the modern "demotic" Greek language. Until recently, the ban on teaching Greek in Soviet schools meant that Pontian was spoken only in a domestic context. Consequently, many Greeks, especially those of the younger generation, speak Russian as their first language. Linguistically, Greeks are far from being unified. In Ukraine alone, there are at least five documented Greek linguistic