Oops, it doesn't look like 'pigs in blanket day' is a national day..

Other days

ponytail

Ponytail Day

self appreciation

Self Appreciation Day

buddy

Buddy Day

tell a fairytale

Tell A Fairytale Day

cursing

Cursing Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

boy friend

Boy Friend Day

Emoji Day

youth

Youth Day

eat what you want

Eat What You Want Day