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

Other days

ponytail

Ponytail Day
eat what you want

Eat What You Want Day
ruby

Ruby Day
my little pony

My Little Pony Day
boy friend

Boy Friend Day
hannah

Hannah Day
brow

Brow Day
stud

Stud Day
boba

Boba Day
martini

Martini Day