Folklore of the United States sea monster said to live in Chesapeake Bay. Santa Claus, also known as Saint Nicholas, Father Christmas, or simply "Santa", is a figure with legendary, mythical, historical and folkloric origins. The modern figure of Santa Claus was derived from the Dutch figure, Sinterklaas, which may, in turn, have its origins in the hagiographical tales concerning the Christian Saint Nicholas. "A Visit from St. Nicholas", also known as "The Night Before Christmas" is a poem first published anonymously in 1823 and generally attributed to Clement Clarke Moore. The poem, which has been called "arguably the best-known verses ever written by an
Saint Nicholas earliest mentions of Saint Nicholas indicate that, by the sixth century, his cult was already well-established. Less than two hundred years after Saint Nicholas's probable death, the Eastern Emperor Theodosius II (ruled 401 – 450) ordered the building of the Church of Saint Nicholas in Myra, which thereby preserves an early mention of his name. The Byzantine historian Procopius also mentions that the Emperor Justinian I (ruled 527 – 565) renovated churches in Constantinople dedicated to Saint Nicholas and Saint Priscus, which may have originally been built as early as 490. Nicholas's name also occurs as "Nicholas of Myra of