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

Other days

pampering

Pampering Day
ruby

Ruby Day
first love

First Love Day
kiss a brunette

Kiss A Brunette Day
bow tie

Bow Tie Day
pick me

Pick Me Day
emoji

Emoji Day
boba

Boba Day
mean girls

Mean Girls Day
lost sock memorial

Lost Sock Memorial Day