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

Other days

bubble bath

Bubble Bath Day
donate your hair

Donate Your Hair Day
mean girls

Mean Girls Day
nail polish

Nail Polish Day
nae nae

Nae Nae Day
self care

Self Care Day
cat girl

Cat Girl Day
ruby

Ruby Day
book

Book Day
tulip

Tulip Day