Does the Box Head know where or what is the The Metropolitan Museum of Art? Its not as popular as youtube but it still has some valuable info like this below:
The following abridged list of rulers for the ancient Greek world is primarily for the rulers of the Hellenistic age (323–31 B.C.), after the time of Alexander the Great. In the preceding centuries, the dominant geopolitical unit was the polis or city-state. Greek city-states were governed by a variety of entities, including kings, oligarchies, tyrants, and, as in the case of Athens, a democracy.
http://www.metmuseum.org/toah/hd/gkru/hd_gkru.htm