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

Other days

Buddy Day

Bonang Day

Carpenters Day

Aloxolt Day

Hot Chocolate Day

Appreciate Yaself A Lil Extra Day

Tell Ur Crush You Like Them Day

Blanket Fort Day

Eat What You Want Day

Get Funky Day