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

Other days

bounce

Bounce Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
pumpkin

Pumpkin Day
frozen yogurt

Frozen Yogurt Day
bow tie

Bow Tie Day
azonto is acceptable

Azonto Is Acceptable Day
stress awareness

Stress Awareness Day
embarrass your best friend

Embarrass Your Best Friend Day
lash

Lash Day
cuddle up

Cuddle Up Day