Oops, it doesn't look like 'gtfoh day' is a national day..

Other days

law

Law Day
stress awareness

Stress Awareness Day
boba

Boba Day
bonang

Bonang Day
china

China Day
eat what you want

Eat What You Want Day
get funky

Get Funky Day
cuddle up

Cuddle Up Day
stud

Stud Day
kiss a brunette

Kiss A Brunette Day