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

Other days

frozen yogurt

Frozen Yogurt Day
boy friend

Boy Friend Day
girl friend

Girl Friend Day
coffee

Coffee Day
first love

First Love Day
pumpkin

Pumpkin Day
gum

Gum Day
aloxolt

Aloxolt Day
boba

Boba Day
singles

Singles Day