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
Battle of Himera (480 BC) the expense of native Sicilians and other Greek cities during 505–480 BC, with the Dorian city of Gela being the most successful. Cleander (505–498 BC) and his brother Hippocrates (498–491) of Gela successfully took over both Ionian and Dorian Greek territory, and by 490 BC, Zankle, Leontini, Catana, Naxos, besides neighboring Sicel lands and Camarina had fallen to Gela. Gelo, successor of Hippocrates, captured Syracuse and made the city his capital. By using ethnic cleansing, deportation and enslavement, Gelo transformed the former Ionian cities into Dorian ones and made Syracuse the dominant power in Sicily. Meanwhile, Akragas, another Doric city,