Trojan War was reunited with Menelaus. Proteus also told Menelaus that he was destined for Elysium (Heaven) after his death. Menelaus returned to Sparta with Helen eight years after he had left Troy. Agamemnon returned home with Cassandra to Argos. His wife Clytemnestra (Helen's sister) was having an affair with Aegisthus, son of Thyestes, Agamemnon's cousin who had conquered Argos before Agamemnon himself retook it. Possibly out of vengeance for the death of Iphigenia, Clytemnestra plotted with her lover to kill Agamemnon. Cassandra foresaw this murder, and warned Agamemnon, but he disregarded her. He was killed, either at a feast or in
History of Sparta northern borders. The final showdown saw Philip fighting Athens and Thebes at Chaeronea. Sparta was pinned down at home by Macedonian allies such as Messene and Argos and took no part. After the Battle of Chaeronea, Philip II of Macedon entered the Peloponnese. Sparta alone refused to join Philip's "Corinthian League" but Philip engineered the transfer of certain border districts to the neighbouring states of Argos, Arcadia and Messenia. During Alexander's campaigns in the east, the Spartan king, Agis III sent a force to Crete in 333 BC with the aim of securing the island for Sparta. Agis next took