Oops, it doesn't look like 'school lunch week and pajama day' is a national day..

Other days

bounce

Bounce Day
fiancee

Fiancee Day
pampering

Pampering Day
artists

Artists Day
brow

Brow Day
aloxolt

Aloxolt Day
stud

Stud Day
youth

Youth Day
bow tie

Bow Tie Day
lisp

Lisp Day