Oops, it doesn't look like 'send a nude send a jogger pic day' is a national day..

Other days

lisp

Lisp Day
boba

Boba Day
self appreciation

Self Appreciation Day
gum

Gum Day
ormille

Ormille Day
stud

Stud Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
hiv awareness

Hiv Awareness Day