Oops, it doesn't look like 'ninja bigfoot appreciation day' is a national day..

Other days

artists

Artists Day
kale

Kale Day
camera

Camera Day
stress awareness

Stress Awareness Day
self appreciation

Self Appreciation Day
gum

Gum Day
ponytail

Ponytail Day
self care

Self Care Day
raise awerness of zeus

Raise Awerness Of Zeus Day
hoodie

Hoodie Day