Oops, it doesn't look like 'security regulators forced softbank to relinquish day' is a national day..

Other days

Slime Day

Polyamory Day

Aloxolt Day

My Little Pony Day

Raise Awerness Of Zeus Day

Ask Out Your Crush Day

Chocolate Milkshake Day

Camera Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Healing Day