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

Other days

ormille

Ormille Day
blanket fort

Blanket Fort Day
pick me

Pick Me Day
nail polish

Nail Polish Day
aloxolt

Aloxolt Day
offer

Offer Day
frozen yogurt

Frozen Yogurt Day
self care

Self Care Day
polyamory

Polyamory Day
bubble bath

Bubble Bath Day