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

Other days

kale

Kale Day
brow

Brow Day
hiv awareness

Hiv Awareness Day
gum

Gum Day
self care

Self Care Day
appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day
ormille

Ormille Day
nae nae

Nae Nae Day
lisp

Lisp Day
lash

Lash Day