Oops, it doesn't look like 'irritate the fuck out of me day' is a national day..

Other days

polyamory

Polyamory Day

Me Day

hannah

Hannah Day

china

China Day

slime

Slime Day

ride the wind

Ride The Wind Day

raise awerness of zeus

Raise Awerness Of Zeus Day

stud

Stud Day

donate your hair

Donate Your Hair Day

camera

Camera Day