Oops, it doesn't look like 'siren marking holocaust remembrance day' is a national day..

Other days

embarrass your best friend

Embarrass Your Best Friend Day
eat what you want

Eat What You Want Day
kiss a ginger

Kiss A Ginger Day
believe

Believe Day
one

One Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
stud

Stud Day
ride the wind

Ride The Wind Day
my little pony

My Little Pony Day
latina equal pay

Latina Equal Pay Day