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

Other days

boba

Boba Day
law

Law Day
eat what you want

Eat What You Want Day
bow tie

Bow Tie Day
lumpy rug

Lumpy Rug Day
mean girls

Mean Girls Day
carpenters

Carpenters Day
book

Book Day
cat girl

Cat Girl Day
unicorn

Unicorn Day