Battle of Leuctra
Book 6 describes events during the years 374–370 BC. The Athenian general Iphicrates stealthily travels around the Peloponnesus. The Battle of Leuctra results in a major loss for Sparta against Thebes, ending the Boeotian War and Spartan hegemony in Greece, although Sparta would remain influential over the next decade. Theban hegemony begins under the leadership of Theban general Epaminondas.