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

Other days

gallery

Gallery Day

eat what you want

Eat What You Want Day

Emoji Day

mean girls

Mean Girls Day

reading

Reading Day

frozen yogurt

Frozen Yogurt Day

bounce

Bounce Day

blanket fort

Blanket Fort Day

bow tie

Bow Tie Day

girl friend

Girl Friend Day