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

Other days

lash

Lash Day
bubble bath

Bubble Bath Day
emoji

Emoji Day
martini

Martini Day
embarrass your best friend

Embarrass Your Best Friend Day
blanket fort

Blanket Fort Day
ponytail

Ponytail Day
azonto is acceptable

Azonto Is Acceptable Day
my little pony

My Little Pony Day
boy friend

Boy Friend Day