Oops, it doesn't look like 'take off the mask day' is a national day..

Other days

tulip

Tulip Day
ormille

Ormille Day
comfy

Comfy Day
gum

Gum Day
kale

Kale Day
buddy

Buddy Day
hiv awareness

Hiv Awareness Day
pumpkin

Pumpkin Day
kiss a ginger

Kiss A Ginger Day
pick me

Pick Me Day