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

Other days

Emoji Day

stress awareness

Stress Awareness Day

pick me

Pick Me Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

buddy

Buddy Day

stud

Stud Day

appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day

believe

Believe Day

ride the wind

Ride The Wind Day

lash

Lash Day