Welcome to St. Patrick’s Day, when many go out of their way to try to wear something green. There are many green parades on this holiday; some rivers are even turned green. But according to the History Channel video linked in the tweet above, green was initially not the color representing the holiday. What was the original color? You will have to watch the video to find out.

https://twitter.com/#!/StarTribune/status/181026701155893249

https://twitter.com/#!/nbcchicago/status/181055349577617409

https://twitter.com/#!/Jennafnc/status/181023366512246784

https://twitter.com/#!/RobRiggle/status/181036842227990528

https://twitter.com/#!/JohnCornyn/status/180988598223519745