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

Other days

cursing

Cursing Day
carpenters

Carpenters Day
comfy

Comfy Day
aloxolt

Aloxolt Day
get funky

Get Funky Day
stress awareness

Stress Awareness Day
kale

Kale Day
hiv awareness

Hiv Awareness Day
nae nae

Nae Nae Day
polyamory

Polyamory Day