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

Other days

pick me

Pick Me Day
self care

Self Care Day
martini

Martini Day
boba

Boba Day
kiss a ginger

Kiss A Ginger Day
youth

Youth Day
nae nae

Nae Nae Day
donate your hair

Donate Your Hair Day
bow tie

Bow Tie Day
unicorn

Unicorn Day