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

Other days

one

One Day
boba

Boba Day
stud

Stud Day
coffee

Coffee Day
hoodie

Hoodie Day
hiv awareness

Hiv Awareness Day
latina equal pay

Latina Equal Pay Day
brow

Brow Day
bow tie

Bow Tie Day
tulip

Tulip Day