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

Other days

singles

Singles Day
bounce

Bounce Day
frozen yogurt

Frozen Yogurt Day
boba

Boba Day
kale

Kale Day
pampering

Pampering Day
bow tie

Bow Tie Day
prosecco

Prosecco Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
believe

Believe Day