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

Other days

kiss a ginger

Kiss A Ginger Day
nae nae

Nae Nae Day
bow tie

Bow Tie Day
carpenters

Carpenters Day
slime

Slime Day
self care

Self Care Day
cat girl

Cat Girl Day
polyamory

Polyamory Day
tulip

Tulip Day
aloxolt

Aloxolt Day