Menelaus Paris the most beautiful woman in all the world. After concluding a diplomatic mission to Sparta during the latter part of which Menelaus was absent to attend the funeral of his maternal grandfather Catreus in Crete, Paris ran off to Troy with Helen despite his brother Hector's prohibition. Invoking the oath of Tyndareus, Menelaus and Agamemnon raised a fleet of a thousand ships and went to Troy to secure Helen's return; the Trojans refused, providing a "casus belli" for the Trojan War. Homer's "Iliad" is the most expansive source for Menelaus’s exploits during the Trojan War. In Book 3, Menelaus
History of Sparta head. It also seems to have changed the nature of the Peloponnesian League. From that time, major decisions were discussed. Sparta was still in charge, but it now had to rally its allies in support of its decisions. After hearing a plea for help from Athens who were facing the Persians at Marathon in 490 BC, Sparta decided to honor its laws and wait until the moon was full to send an army. As a result, Sparta's army arrived at Marathon after the battle had been won by the Athenians. In the second campaign, conducted ten years later by Xerxes,