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

Other days

one

One Day
stud

Stud Day
boba

Boba Day
coffee

Coffee Day
self care

Self Care Day
frozen yogurt

Frozen Yogurt Day
latina equal pay

Latina Equal Pay Day
ormille

Ormille Day
slime

Slime Day
bow tie

Bow Tie Day