from Scythia, maintained critical alliances with cities which controlled the straits, such as the Megarian colony Byzantium. Darius's highly regarded commander Megabazus was responsible to fulfill the conquers in the Balkans. The Achaemenid troops conquered Thrace, the coastal Greek cities, and the Paeonians. Eventually, in about 512-511 BC, the Macedonian king Amyntas I accepted the Achaemenid domination and surrendered his country as a vassal state to the Achaemenid Persia. The multi-ethnic Achaemenid army possessed many soldiers from the Balkans. Moreover, many of the Macedonian and Persian elite intermarried. In 1912 was founded the first film company (Athina Film) and in 1916 the Asty Film. In 2007 the most successful film was El Greco, directed by Yannis Smaragdis. In July 1918, the Franco-Monegasque Treaty was signed, providing for limited