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

Other days

gallery

Gallery Day
self appreciation

Self Appreciation Day
tell a fairytale

Tell A Fairytale Day
hannah

Hannah Day
frozen yogurt

Frozen Yogurt Day
coffee

Coffee Day
tulip

Tulip Day
law

Law Day
stud

Stud Day
self care

Self Care Day