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

Other days

lisp

Lisp Day
bow tie

Bow Tie Day
self care

Self Care Day
carpenters

Carpenters Day
singles

Singles Day
fiancee

Fiancee Day
aloxolt

Aloxolt Day
first love

First Love Day
lash

Lash Day
camera

Camera Day