A dictionary of Greek and Roman biography and mythology (ed. William Smith) alphabetic letter C After Plutarchus had been expelled from the tyranny of Eretria by Phocion, B. C. 350, popular government was at first established ; but strong party struggles ensued, in which the adherents of Athens were at length overpowered by those of Macedonia, and Philip then sent Hipponicus, one of his generals, to destroy the walls of Porthmus, the harbour of Eretria, and to set up Hipparchus, Automedon, and Cleitarchus as tyrants. (21.04)