Oops, it doesn't look like 'showcase and the day' is a national day..

Other days

bubble bath

Bubble Bath Day
artists

Artists Day
nae nae

Nae Nae Day
bonang

Bonang Day
pumpkin

Pumpkin Day
china

China Day
bow tie

Bow Tie Day
self appreciation

Self Appreciation Day
cursing

Cursing Day
gum

Gum Day