Oops, it doesn't look like 'mourning starting day' is a national day..

Other days

law

Law Day
bow tie

Bow Tie Day
ride the wind

Ride The Wind Day
tulip

Tulip Day
healing

Healing Day
eat what you want

Eat What You Want Day
unicorn

Unicorn Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
stress awareness

Stress Awareness Day
ponytail

Ponytail Day