an Entity references as follows:
The Boeotian War broke out in 378 BC as the result of a revolt in Thebes against Sparta. The war saw Thebes become dominant in the Greek World at the expense of Sparta. However, by the end of the war Thebes’ greatest leaders, Pelopidas and Epaminondas, were both dead and Thebes power already waning, allowing for the Rise of Macedon.