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

Other days

fiancee

Fiancee Day
latina equal pay

Latina Equal Pay Day
coffee

Coffee Day
eat what you want

Eat What You Want Day
hoodie

Hoodie Day
artists

Artists Day
blanket fort

Blanket Fort Day
boba

Boba Day
camera

Camera Day
china

China Day