Oops, it doesn't look like 'historic white violence day' is a national day..

Other days

hannah

Hannah Day
unicorn

Unicorn Day
pampering

Pampering Day
believe

Believe Day
bow tie

Bow Tie Day
artists

Artists Day
lash

Lash Day
lumpy rug

Lumpy Rug Day
ormille

Ormille Day
gum

Gum Day