Oops, it doesn't look like 'cardiothoracic hand grenade day' is a national day..

Other days

Brow Day

Nail Polish Day

Eat What You Want Day

Emoji Day

Chocolate Milkshake Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Frozen Yogurt Day

Unicorn Day

Hannah Day

Azonto Is Acceptable Day