Oops, it doesn't look like 'flag on r day' is a national day..

Other days

gallery

Gallery Day
ormille

Ormille Day
coffee

Coffee Day
get funky

Get Funky Day
gum

Gum Day
hannah

Hannah Day
comfy

Comfy Day
lash

Lash Day
lisp

Lisp Day
fiancee

Fiancee Day