Oops, it doesn't look like 'sorry unity day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
eat what you want

Eat What You Want Day
hiv awareness

Hiv Awareness Day
brow

Brow Day
gum

Gum Day
girl friend

Girl Friend Day
self care

Self Care Day
martini

Martini Day
kiss a brunette

Kiss A Brunette Day
believe

Believe Day