The longest palindromic word in the Oxford English Dictionary is the onomatopoeic tattarrattat, coined by James Joyce in Ulysses (1922) for a knock on the door. The Guinness Book of Records gives the title to detartrated, the preterit and past participle of detartrate, a chemical term meaning to remove tartrates.
The American version of St. Nicholas, or Santa Claus originally came from the Dutch version called Sint Nikolaas or Sinterklaas. The Dutch settlers in New Amsterdam (New York) brought this fun and lively tradition (some even say cult) to America. Eight flying reindeer, later joined by Rudolph the red nosed reindeer.