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

Other days

boy friend

Boy Friend Day
first love

First Love Day
boyfriend

Boyfriend Day
unicorn

Unicorn Day
girl friend

Girl Friend Day
boba

Boba Day
bounce

Bounce Day
tulip

Tulip Day
hiv awareness

Hiv Awareness Day
ormille

Ormille Day