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

Other days

stud

Stud Day
lumpy rug

Lumpy Rug Day
bounce

Bounce Day
tell a fairytale

Tell A Fairytale Day
my little pony

My Little Pony Day
prescription drug take back

Prescription Drug Take Back Day
stress awareness

Stress Awareness Day
blanket fort

Blanket Fort Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
reading

Reading Day