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

Other days

gum

Gum Day
boba

Boba Day
self appreciation

Self Appreciation Day
camera

Camera Day
ormille

Ormille Day
ride the wind

Ride The Wind Day
buddy

Buddy Day
mean girls

Mean Girls Day
bow tie

Bow Tie Day
tulip

Tulip Day