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

Other days

camera

Camera Day
kiss a brunette

Kiss A Brunette Day
believe

Believe Day
youth

Youth Day
nae nae

Nae Nae Day
raise awerness of zeus

Raise Awerness Of Zeus Day
first love

First Love Day
my little pony

My Little Pony Day
gum

Gum Day
slime

Slime Day