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

Other days

youth

Youth Day
my little pony

My Little Pony Day
first love

First Love Day
lumpy rug

Lumpy Rug Day
blanket fort

Blanket Fort Day
book

Book Day
mean girls

Mean Girls Day
tulip

Tulip Day
buddy

Buddy Day
brow

Brow Day