The most "interesting" feature of Aeschylus's ( The Persians ) is its status as the only surviving ancient Greek tragedy based on a historical event . While nearly every other extant tragedy focuses on mythological heroes like Oedipus or Agamemnon, Persae dramatizes the Battle of Salamis, which took place just eight years before the play's premiere in 472 BCE. Here are the key aspects that make this feature so unique: Persians | Summary, Aeschylus, & Facts - Britannica