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

Other days

ormille

Ormille Day
bubble bath

Bubble Bath Day
hoodie

Hoodie Day
pumpkin

Pumpkin Day
bow tie

Bow Tie Day
hiv awareness

Hiv Awareness Day
hannah

Hannah Day
promposal

Promposal Day
unicorn

Unicorn Day
ruby

Ruby Day