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

Other days

hiv awareness

Hiv Awareness Day
eat what you want

Eat What You Want Day
pampering

Pampering Day
ponytail

Ponytail Day
unicorn

Unicorn Day
lash

Lash Day
singles

Singles Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
lumpy rug

Lumpy Rug Day
ask out your crush

Ask Out Your Crush Day