Oops, it doesn't look like 'ethan griffin appreciation day' is a national day..

Other days

ponytail

Ponytail Day
ruby

Ruby Day
carpenters

Carpenters Day
stud

Stud Day
get funky

Get Funky Day
boy friend

Boy Friend Day
pampering

Pampering Day
my little pony

My Little Pony Day
self appreciation

Self Appreciation Day
cursing

Cursing Day