Oops, it doesn't look like 'anthem you do not like the language you do not like the day' is a national day..

Other days

Aloxolt Day

Stud Day

Kale Day

My Little Pony Day

Hiv Awareness Day

Appreciate Yaself A Lil Extra Day

Lumpy Rug Day

Cat Girl Day

Prescription Drug Take Back Day

Lost Sock Memorial Day