Oops, it doesn't look like 'follow auld moaning git day' is a national day..

Other days

bounce

Bounce Day

fiancee

Fiancee Day

eat what you want

Eat What You Want Day

tulip

Tulip Day

first love

First Love Day

pick me

Pick Me Day

kale

Kale Day

camera

Camera Day

Me Day

raise awerness of zeus

Raise Awerness Of Zeus Day