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

Other days

stud

Stud Day
self appreciation

Self Appreciation Day
lumpy rug

Lumpy Rug Day
china

China Day
ruby

Ruby Day
boba

Boba Day
blanket fort

Blanket Fort Day
ride the wind

Ride The Wind Day
lisp

Lisp Day
coffee

Coffee Day