Oops, it doesn't look like 'Hate On Brittany day' is a national day..

Other days

book

Book Day
healing

Healing Day
eat what you want

Eat What You Want Day
youth

Youth Day
girl friend

Girl Friend Day
hoodie

Hoodie Day
self care

Self Care Day
cuddle up

Cuddle Up Day
singles

Singles Day
lash

Lash Day