Oops, it doesn't look like 'theatre but you can do it another day' is a national day..

Other days

Martini Day

Pick Me Day

Book Day

Appreciate Yaself A Lil Extra Day

Eat What You Want Day

Ormille Day

Stress Awareness Day

Carpenters Day

Kiss A Brunette Day

African Immigrant And Refugee Hiv And Hep Awareness Day