First performed at the Great Dionysia in Athens in the early spring of 442 or 441 BCE, Sophocles’ Antigone revolves around the tragic clash of wills between Oedipus’ daughter Antigone and her uncle Creon, currently the king of Thebes. The action begins the morning after Oedipus’ sons Polynices and Eteocles have killed each other in combat. Polynices’ body lies on the battlefield, unwept, and unburied—carrion for the vultures. Polynices had led an army of Argive soldiers against his native city, hoping to reclaim the throne that Eteocles refused to cede. The two brothers had agreed to share the rule of Thebes (rotating on a yearly basis), but Eteocles changed his mind once he was in power. …
Mueller, Melissa. "Antigone". The Literary Encyclopedia. First published 09 August 2013; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=6558, accessed 27 April 2015.]