A Visit from St. Nicholas, more commonly known as The Night Before Christmas and 'Twas the Night Before Christmas from its first line, is a poem first published anonymously under the title Account of a Visit from St. Nicholas in 1823 and later attributed to Clement Clarke Moore, who claimed authorship in 1837. The poem has been called "arguably the best-known verses ever written by an American" and is largely responsible for some of the conceptions of Santa Claus from the mid-nineteenth century to today. It has had a massive effect on the history of Christmas gift-giving. Before the poem...