Oops, it doesn't look like 'eat your vegetables eat your vegetables day' is a national day..

Other days

self appreciation

Self Appreciation Day
ruby

Ruby Day
embarrass your best friend

Embarrass Your Best Friend Day
pampering

Pampering Day
polyamory

Polyamory Day
martini

Martini Day
buddy

Buddy Day
prescription drug take back

Prescription Drug Take Back Day
lost sock memorial

Lost Sock Memorial Day
hiv awareness

Hiv Awareness Day