The ILIAD is an ancient Greek epic poem written by Homer, believed to have been composed in the 8th century BC. It is one of the oldest surviving works of Western literature and tells the story of the ten-year siege of Troy by the Achaeans. The poem focuses on the struggles of the Trojan prince Hector and the Greek hero Achilles, and their respective honor and glory. It is considered to be one of the most influential works of literature in Western culture.