Oops, it doesn't look like 'league enters match day' is a national day..

Other days

gallery

Gallery Day
lumpy rug

Lumpy Rug Day
ponytail

Ponytail Day
cat girl

Cat Girl Day
bounce

Bounce Day
bow tie

Bow Tie Day
tulip

Tulip Day
pick me

Pick Me Day
kale

Kale Day
one

One Day