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

Other days

bounce

Bounce Day
bow tie

Bow Tie Day
hot chocolate

Hot Chocolate Day
hiv awareness

Hiv Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ride the wind

Ride The Wind Day
polyamory

Polyamory Day
get funky

Get Funky Day
buddy

Buddy Day
self appreciation

Self Appreciation Day