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

Other days

believe

Believe Day
get funky

Get Funky Day
buddy

Buddy Day
gum

Gum Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
artists

Artists Day
bonang

Bonang Day
promposal

Promposal Day
lisp

Lisp Day