Oops, it doesn't look like 'outreach surveys starting on human trafficking awareness day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
hiv awareness

Hiv Awareness Day
martini

Martini Day
china

China Day
nail polish

Nail Polish Day
eat what you want

Eat What You Want Day
bow tie

Bow Tie Day
bounce

Bounce Day
pumpkin

Pumpkin Day
singles

Singles Day