Oops, it doesn't look like 'tournament selection day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
healing

Healing Day
blanket fort

Blanket Fort Day
self appreciation

Self Appreciation Day
lumpy rug

Lumpy Rug Day
kale

Kale Day
pampering

Pampering Day
brow

Brow Day
eat what you want

Eat What You Want Day
hannah

Hannah Day