Oops, it doesn't look like 'security advisor called and texted russian ambassador on same day' is a national day..

Other days

Slime Day

Lumpy Rug Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Ask Out Your Crush Day

Stress Awareness Day

Hot Chocolate Day

Believe Day

Embarrass Your Best Friend Day

Bonang Day

Get Funky Day