Oops, it doesn't look like 'retirement systems into rainy day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
hot chocolate

Hot Chocolate Day
ponytail

Ponytail Day
reading

Reading Day
blanket fort

Blanket Fort Day
prosecco

Prosecco Day
stress awareness

Stress Awareness Day
cuddle up

Cuddle Up Day
nae nae

Nae Nae Day
ask out your crush

Ask Out Your Crush Day