what xmas song was originally written for thanksgiving

"Jingle Bells" was originally written as a Thanksgiving song. It was written in 1857 by James Lord Pierpont, a minister and songwriter from Massachusetts. The song was first published in 1859 as "The One Horse Open Sleigh," and it was intended as a Thanksgiving song, but it quickly became popular as a Christmas song and is now one of the most recognizable Christmas carols.