Oops, it doesn't look like 'media spot on the same day' is a national day..

Other days

nae nae

Nae Nae Day
boba

Boba Day
one

One Day
frozen yogurt

Frozen Yogurt Day
my little pony

My Little Pony Day
bonang

Bonang Day
believe

Believe Day
lisp

Lisp Day
martini

Martini Day
slime

Slime Day