 That incident prompted a massive furore at Athens, in which Theramenes had to exonerate himself from responsibility for the failed rescue; the controversy ended in the execution of six generals who had commanded at that battle.After the Athenian defeat at Aegospotami in 405 BC, Theramenes arranged the terms by which Athens surrendered to Sparta.He then became a member of the narrow oligarchic government, known as the Thirty Tyrants, that Sparta imposed on its defeated rival.