Oops, it doesn't look like 'orchestra plays his cello in a bomb crater the day' is a national day..

Other days

Offer Day

Ponytail Day

Embarrass Your Best Friend Day

My Little Pony Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Nail Polish Day

Tell A Fairytale Day

Carpenters Day

Kiss A Brunette Day

Lumpy Rug Day