Oops, it doesn't look like 'guard announced day' is a national day..

Other days

hannah

Hannah Day
law

Law Day
youth

Youth Day
bow tie

Bow Tie Day
mean girls

Mean Girls Day
tell a fairytale

Tell A Fairytale Day
lisp

Lisp Day
ruby

Ruby Day
stud

Stud Day
prosecco

Prosecco Day