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

Other days

prosecco

Prosecco Day
artists

Artists Day
offer

Offer Day
brow

Brow Day
bow tie

Bow Tie Day
me

Me Day
blanket fort

Blanket Fort Day
gum

Gum Day
kiss a brunette

Kiss A Brunette Day
stud

Stud Day