Oops, it doesn't look like 'security council following the day' is a national day..

Other days

Martini Day

African Immigrant And Refugee Hiv And Hep Awareness Day

My Little Pony Day

Prescription Drug Take Back Day

Gum Day

Appreciate Yaself A Lil Extra Day

Camera Day

Get Funky Day

Brow Day

Tell Ur Crush You Like Them Day