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

Other days

polyamory

Polyamory Day
ride the wind

Ride The Wind Day
youth

Youth Day
bow tie

Bow Tie Day
kale

Kale Day
lash

Lash Day
tulip

Tulip Day
boba

Boba Day
slime

Slime Day
nae nae

Nae Nae Day