Santa Claus is his joking invention. In 1821, the book "A New-year's present, to the little ones from five to twelve" was published in New York. It contained "Old Santeclaus with Much Delight", an anonymous poem describing Santeclaus on a reindeer sleigh, bringing presents to children. Some modern ideas of Santa Claus seemingly became canon after the anonymous publication of the poem "A Visit From St. Nicholas" (better known today as "The Night Before Christmas") in the Troy, New York, "Sentinel" on 23 December 1823; Clement Clarke Moore later claimed authorship, though some scholars argue that Henry Livingston, Jr. (who died nine
A Visit from St. Nicholas family lore gives credit to their forebear rather than Moore, but there is no proof that Livingston himself ever claimed authorship, nor has any record ever been found of any printing of the poem with Livingston's name attached to it, despite more than 40 years of searches. Advocates for Livingston's authorship argue that Moore "tried at first to disavow" the poem. They also posit that Moore falsely claimed to have translated a book. Document dealer and historian Seth Kaller has challenged both claims. Kaller examined the book in question, "A Complete Treatise on Merinos and Other Sheep", as well as