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

Other days

lash

Lash Day
pumpkin

Pumpkin Day
kiss a ginger

Kiss A Ginger Day
pick me

Pick Me Day
lisp

Lisp Day
youth

Youth Day
ride the wind

Ride The Wind Day
cursing

Cursing Day
ask out your crush

Ask Out Your Crush Day
coffee

Coffee Day