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

Other days

lisp

Lisp Day
kale

Kale Day
youth

Youth Day
nail polish

Nail Polish Day
hannah

Hannah Day
prosecco

Prosecco Day
slime

Slime Day
boy friend

Boy Friend Day
donate your hair

Donate Your Hair Day
bow tie

Bow Tie Day