It won a naval battle at Aegospotami [ee-go-SPOT-uh-my].
This city's army missed a battle because they refused to march until a full moon. A heroic soldier from this city survived a battle only because he went half-blind, after treason was committed by Ephialtes [EFF-eye-all-tees] of Trachis. This city lost a battle after getting boxed in on the island of Sphacteria [SFACT-air-ee-uh]. The (*) agoge [uh-GOJ] system was used in this city. It won a naval battle at Aegospotami [ee-go-SPOT-uh-my]. Aristodemus and Pantites were the only survivors when soldiers from this city guarded a narrow pass. Slaves called helots [HELL-its] supported this city. Boys here lived in barracks from the age of seven. For 10 points, name this city which lost at Thermopylae [therm-OP-uh-lee], but won the Peloponnesian War against Athens.
This city's army missed a battle because they refused to march until a full moon.
Sparta