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

Other days

first love

First Love Day

pampering

Pampering Day

carpenters

Carpenters Day

brow

Brow Day

Emoji Day

kale

Kale Day

nae nae

Nae Nae Day

Me Day

blanket fort

Blanket Fort Day

appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day