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

Other days

buddy

Buddy Day
first love

First Love Day
china

China Day
ride the wind

Ride The Wind Day
comfy

Comfy Day
bubble bath

Bubble Bath Day
special education

Special Education Day
gum

Gum Day
cuddle up

Cuddle Up Day
kale

Kale Day