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

Other days

martini

Martini Day

law

Law Day

ask out your crush

Ask Out Your Crush Day

boy friend

Boy Friend Day

promposal

Promposal Day

Emoji Day

embarrass your best friend

Embarrass Your Best Friend Day

buddy

Buddy Day

donate your hair

Donate Your Hair Day

raise awerness of zeus

Raise Awerness Of Zeus Day