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

Other days

embarrass your best friend

Embarrass Your Best Friend Day
bow tie

Bow Tie Day
carpenters

Carpenters Day
cursing

Cursing Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
prescription drug take back

Prescription Drug Take Back Day
eat what you want

Eat What You Want Day
china

China Day
prosecco

Prosecco Day
hiv awareness

Hiv Awareness Day