The first cat show was in 1871 at the Crystal Palace in London

Besides smelling with their nose, cats can smell with
an additional organ called the Jacobson's organ,
located in the upper surface of the mouth

In ancient Egypt, killing a cat was a crime punishable by death

Cats lack a true collarbone. Because of this, cats can
generally squeeze their bodies through any space
they can get their heads through. You may have seen a cat
testing the size of an opening by careful measurement with the head

Cats sleep 16 to 18 hours per day

A large majority of white cats with blue eyes are deaf.
White cats with only one blue eye are deaf only in the ear closest
to the blue eye. White cats with orange eyes do not have this disability