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

Other days

offer

Offer Day
kiss a brunette

Kiss A Brunette Day
one

One Day
slime

Slime Day
pick me

Pick Me Day
bonang

Bonang Day
lash

Lash Day
kiss a ginger

Kiss A Ginger Day
aloxolt

Aloxolt Day
ask out your crush

Ask Out Your Crush Day