The Burning of the Books Lost 213 BC The Library of Alexandria Lost gradually, across centuries The Lost Plays of Sophocles Lost Gradually, by the Byzantine era The Lost Works of Aristotle Lost Across antiquity and the medieval era The Etruscan Language Lost Roughly the 1st century AD The House of Wisdom Lost 1258 The Imperial Library of Constantinople Lost Sacked 1204; fell 1453 The Maya Codices Lost 12 July 1562