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

Other days

martini

Martini Day
chocolate milkshake

Chocolate Milkshake Day
brow

Brow Day
bow tie

Bow Tie Day
blanket fort

Blanket Fort Day
fiancee

Fiancee Day
ormille

Ormille Day
self care

Self Care Day
ponytail

Ponytail Day
stud

Stud Day