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

Other days

prescription drug take back

Prescription Drug Take Back Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
pumpkin

Pumpkin Day
kiss a brunette

Kiss A Brunette Day
self appreciation

Self Appreciation Day
kale

Kale Day
coffee

Coffee Day
hiv awareness

Hiv Awareness Day
kiss a ginger

Kiss A Ginger Day
cuddle up

Cuddle Up Day