Oops, it doesn't look like 'media the next day' is a national day..

Other days

artists

Artists Day
aloxolt

Aloxolt Day
hot chocolate

Hot Chocolate Day
frozen yogurt

Frozen Yogurt Day
polyamory

Polyamory Day
youth

Youth Day
nail polish

Nail Polish Day
lash

Lash Day
ruby

Ruby Day
bow tie

Bow Tie Day