Oops, it doesn't look like 'down lowtoo slow day' is a national day..

Other days

fiancee

Fiancee Day
ormille

Ormille Day
gum

Gum Day
brow

Brow Day
stress awareness

Stress Awareness Day
mean girls

Mean Girls Day
azonto is acceptable

Azonto Is Acceptable Day
blanket fort

Blanket Fort Day
reading

Reading Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day