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

Other days

girl friend

Girl Friend Day
tell a fairytale

Tell A Fairytale Day
prosecco

Prosecco Day
slime

Slime Day
lisp

Lisp Day
lumpy rug

Lumpy Rug Day
hannah

Hannah Day
boy friend

Boy Friend Day
book

Book Day
stud

Stud Day