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

Other days

hiv awareness

Hiv Awareness Day
blanket fort

Blanket Fort Day
special education

Special Education Day
brow

Brow Day
kale

Kale Day
believe

Believe Day
gum

Gum Day
self appreciation

Self Appreciation Day
ride the wind

Ride The Wind Day
law

Law Day