Thanksgivukkah is the rarest holiday in the world, occurring once every 70,000 years or so. And since Thanksgiving has only been a holiday for somewhere between 1621 or 1863, and the present day, it's a relative newcomer to the holiday party. And there's no guarantee that humans, or their holidays will still be around in 70,000 years.
That fact makes Thanksgivukkah the rarest holiday ever.
In...
