The Spartans (documentary) the Spartan constitution into the militarised state we know of today. Homosexuality among men and boys was mandatory. The training of Spartan youths is explained, from their enrollment in the Agoge system right through to their attainment of citizenship. The class structure of the Lacedaemonian state (Helots, Perioeci, and the soldier-citizens themselves) is also covered. The episode ends with the battle of Thermopylae, in which 300 Spartans, including their king, Leonidas, were killed in action defending Greece from a Persian invasion. Part 2 opens with the retreat of the Persians, after Thermopylae and the battle of Salamis. Athens, which had
Demophilus of Thespiae Demophilus of Thespiae Demophilus ( "Demophilos"), according to Herodotus, was the commander of a contingent of 700 Thespians at the Battle of Thermopylae (480 BC). His father was Diadromes (). Demophilus and his men fought at the battle and at the end they stood along with the 300 Spartans at the last stand, all were killed. The ancient Greek traveler and geographer Pausanias also wrote about the stay of the Thespians at Thermopylae together with the Spartans. After the Battle of Thermopylae, the Persian army burned down the city of Thespiae. The citizens had fled to the Peloponnese. Later, the