After his greatest victory, he established the rule of the Thirty Tyrants, but lost influence at home two years later when Athens was allowed to reestablish its democracy.  
This general was killed at the outbreak of the Corinthian War, while leading an army of northern allies in an attack on Haliartus. After his greatest victory, he established the rule of the Thirty Tyrants, but lost influence at home two years later when Athens was allowed to reestablish its democracy.  FTP, identify this Spartan leader whose victory at the September 405 BC Battle of Aegospotami effectively ended the Peloponnesian War.
This general was killed at the outbreak of the Corinthian War, while leading an army of northern allies in an attack on Haliartus.
Lysander