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

Other days

mean girls

Mean Girls Day
ormille

Ormille Day
ride the wind

Ride The Wind Day
cuddle up

Cuddle Up Day
donate your hair

Donate Your Hair Day
offer

Offer Day
youth

Youth Day
eat what you want

Eat What You Want Day
stud

Stud Day
tulip

Tulip Day