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

Other days

cat girl

Cat Girl Day
hoodie

Hoodie Day
tulip

Tulip Day
singles

Singles Day
bow tie

Bow Tie Day
believe

Believe Day
kale

Kale Day
cursing

Cursing Day
boy friend

Boy Friend Day
self care

Self Care Day