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

Other days

gum

Gum Day
martini

Martini Day
hiv awareness

Hiv Awareness Day
self care

Self Care Day
fiancee

Fiancee Day
me

Me Day
pampering

Pampering Day
frozen yogurt

Frozen Yogurt Day
self appreciation

Self Appreciation Day
carpenters

Carpenters Day