...mpete in the games at Olympia. Agis used also to make continual incursions into Attica, and established the fortified post at Decelea to annoy the Athenians. When the Athenian navy was destroyed at Aegospotami , Lysander, the son of Aristocritus, and Agis violated the oaths which the Lacedaemonians as a state had sworn by the gods to the Athenians, and it was on their own initiative, and without the approv...