Leuctra (Bœotian War).

Fought July, 371 B.C., between 11,000 Spartans, under Cleombrotus, and 6,000 Thebans, under Epaminondas. The principal fighting took place on the Theban left, where Epaminondas had massed his best troops, and after a fierce encounter the Spartans were driven back, leaving 1,000 dead, including Cleombrotus, on the field. As a result of this defeat, the Spartans evacuated Bœotia.