Oops, it doesn't look like 'hero pepper pot day' is a national day..

Other days

lost sock memorial

Lost Sock Memorial Day
cursing

Cursing Day
embarrass your best friend

Embarrass Your Best Friend Day
bow tie

Bow Tie Day
lisp

Lisp Day
self appreciation

Self Appreciation Day
special education

Special Education Day
girl friend

Girl Friend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
stress awareness

Stress Awareness Day