Oops, it doesn't look like 'library of scotland marking that famous day' is a national day..

Other days

Lost Sock Memorial Day

Bow Tie Day

Ruby Day

Martini Day

Get Funky Day

Prosecco Day

Tulip Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Appreciate Yaself A Lil Extra Day

Pampering Day