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

Other days

ride the wind

Ride The Wind Day
hiv awareness

Hiv Awareness Day
donate your hair

Donate Your Hair Day
hoodie

Hoodie Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
artists

Artists Day
azonto is acceptable

Azonto Is Acceptable Day
bow tie

Bow Tie Day
lisp

Lisp Day
gum

Gum Day