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

Other days

boba

Boba Day
girl friend

Girl Friend Day
lumpy rug

Lumpy Rug Day
bounce

Bounce Day
pick me

Pick Me Day
blanket fort

Blanket Fort Day
fiancee

Fiancee Day
boyfriend

Boyfriend Day
lisp

Lisp Day
china

China Day