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
Methuselah Foundation the organization. The initiative was named after the 300 Spartans who held the pass at Thermopylae in 480 BC during the Greco-Persian Wars. In addition, in 2015, the foundation began memorializing The 300 donors with a monument at St. Thomas Island in the U.S. Virgin Islands. On September 16, 2006, Peter Thiel announced a pledge of $3.5 million to the Methuselah Foundation and the SENS program to "support scientific research into the alleviation and eventual reversal of the debilities caused by aging." In January 2018, the anonymous principal of the Pineapple Fund donated $1 million to the Methuselah Foundation. Methuselah