Oops, it doesn't look like 'paint ur pub day' is a national day..

Other days

ponytail

Ponytail Day
first love

First Love Day
ruby

Ruby Day
slime

Slime Day
tell a fairytale

Tell A Fairytale Day
buddy

Buddy Day
polyamory

Polyamory Day
bonang

Bonang Day
blanket fort

Blanket Fort Day
tulip

Tulip Day