437554 Illustration from \'The Castle of Otranto\', by Horace Walpole, 1765 (engraving) by English School, (18th century); Private Collection; (add.info.: The Castle of Otranto is a 1764 novel by Horace Walpole. It is generally regarded as the first gothic novel, initiating a literary genre which would become extremely popular in the later 18th century and early 19th century.); English, out of copyright.