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

Other days

tell a fairytale

Tell A Fairytale Day
stud

Stud Day
polyamory

Polyamory Day
buddy

Buddy Day
lisp

Lisp Day
fiancee

Fiancee Day
youth

Youth Day
boy friend

Boy Friend Day
ask out your crush

Ask Out Your Crush Day
bonang

Bonang Day