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

Other days

aloxolt

Aloxolt Day
eat what you want

Eat What You Want Day
hoodie

Hoodie Day
emoji

Emoji Day
my little pony

My Little Pony Day
law

Law Day
polyamory

Polyamory Day
bow tie

Bow Tie Day
cursing

Cursing Day
kale

Kale Day