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

Other days

artists

Artists Day
raise awerness of zeus

Raise Awerness Of Zeus Day
bounce

Bounce Day
law

Law Day
prosecco

Prosecco Day
buddy

Buddy Day
ruby

Ruby Day
my little pony

My Little Pony Day
latina equal pay

Latina Equal Pay Day
camera

Camera Day