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

Other days

lash

Lash Day
offer

Offer Day
frozen yogurt

Frozen Yogurt Day
eat what you want

Eat What You Want Day
me

Me Day
singles

Singles Day
reading

Reading Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
hiv awareness

Hiv Awareness Day