xkcd #3202: Groundhog Day Meaning
Title text:
Originally, the ceremony used a variety of rodents and mustelids, but over time most people agreed it made sense to standardize on a specific individual ground squirrel in Pennsylvania.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3202/
Weirdest? Please, take a look at any religious holiday. Let's take Easter, we celebrate resurrection of man-god who allowed himself to be killed so he could save us, and immediately after ressurection he transformed into god-god and moved to the sky. So anyway we make dyed eggs to celebrate it.
Or Christmas, where we cut down trees to set up inside and decorate to celebrate said man-god's birth, except the date is nowhere near his actual birthday