What is the significance of April 23, 1616? Literary greats Cervantes, Shakespeare and Inca Garcilasco de la Vega all died on this date. Also born on April 23, are authors Maurice Druon, K.Laxness, Vladimir Nabokov, Josep Pla and Manuel Mejía Vallejo.
April 23 has been designated by United Nations Educational Scientific and Cultural Organization (UNESCO's), as World Book and Copyright Day. Through World Copyright Day, UNESCO seeks to promote reading, publishing, and the protection of intellectual property copyrights.