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

Other days

ormille

Ormille Day
hiv awareness

Hiv Awareness Day
gum

Gum Day
hannah

Hannah Day
ask out your crush

Ask Out Your Crush Day
kale

Kale Day
get funky

Get Funky Day
coffee

Coffee Day
believe

Believe Day
boba

Boba Day