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

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

kiss a brunette

Kiss A Brunette Day

nail polish

Nail Polish Day

buddy

Buddy Day

unicorn

Unicorn Day

kale

Kale Day

comfy

Comfy Day

hiv awareness

Hiv Awareness Day

bounce

Bounce Day

lost sock memorial

Lost Sock Memorial Day