Oops, it doesn't look like 'radio service of a country called gappistan day' is a national day..

Other days

Kiss A Ginger Day

Unicorn Day

Kiss A Brunette Day

Raise Awerness Of Zeus Day

Get Funky Day

Ask Out Your Crush Day

Special Education Day

Ride The Wind Day

Slime Day

African Immigrant And Refugee Hiv And Hep Awareness Day