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

Other days

stud

Stud Day
self appreciation

Self Appreciation Day
bonang

Bonang Day
self care

Self Care Day
kale

Kale Day
polyamory

Polyamory Day
ormille

Ormille Day
prescription drug take back

Prescription Drug Take Back Day
artists

Artists Day
tell a fairytale

Tell A Fairytale Day