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

Other days

offer

Offer Day
me

Me Day
pick me

Pick Me Day
frozen yogurt

Frozen Yogurt Day
boba

Boba Day
china

China Day
cuddle up

Cuddle Up Day
boyfriend

Boyfriend Day
healing

Healing Day
gum

Gum Day