It may not be officially recognised, just like evolution in some places, but there has been an informal movement to have February 12 recognised as Darwin Day.
Why? Simple, he was born on this day 204 years ago.
So go out and celebrate. Here are some suggestions from us.
Well, they are supposed to be our closest ancestor.
That's how long the Earth took to build, wasn't it? So, if it's been done before, it can be done again.
Not really a planet, more like a solar system, and this fella did it in six minutes.
Impressive.
According to Republican Congressman, Paul Broun, the Big Bang Theory "is lies straight from the pit of Hell".
We can see why from this clip of the series.
Tell us in our comments below.