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

Other days

hannah

Hannah Day
martini

Martini Day
book

Book Day
stress awareness

Stress Awareness Day
cuddle up

Cuddle Up Day
ormille

Ormille Day
bubble bath

Bubble Bath Day
fiancee

Fiancee Day
hiv awareness

Hiv Awareness Day
stud

Stud Day