In Greek legend the King of Mycenae, son of Atreus, and leader of the Greeks at the siege of Troy. Homer makes him ruler over all Argos. He was the brother of Menelaus, the theft of whose wife Helen by Paris brought on the Trojan War. Before the expedition against Troy could sail, Agamemnon's daughter Iphigenia was sacrificed to Diana to appease that goddess for a sacred stag Agamemnon had killed. At Troy, Agamemnon's quarrel with ACHILLES cost the Greeks many lives and delayed the end of the war.
After the sack of Troy, Agamemnon returned home only to be murdered by his wife Clytemnestra, who was living as the paramour of Aegisthus. For the tragic vengeance which his son Orestes and his daughter Electra took for their father's death, see under those entries. Agamemnon is the principal figure in Aeschylus ' trilogy, the Agamemnon, Choephori and Eumenides, and is prominent in many plays on the fate of IPHIGENIA.Aganippe. Fountain of the Muses, at the foot of Mount Helicon, in Boeotia.Agapemone. A 19th-century Communistic establishment of men and women in England, suspected of free-love practices; hence, any free-love institution.