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

Other days

boyfriend

Boyfriend Day

kiss a ginger

Kiss A Ginger Day

first love

First Love Day

girl friend

Girl Friend Day

Emoji Day

gallery

Gallery Day

mean girls

Mean Girls Day

martini

Martini Day

ride the wind

Ride The Wind Day

latina equal pay

Latina Equal Pay Day