Oops, it doesn't look like 'and aintree ladies 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
cuddle up

Cuddle Up Day
blanket fort

Blanket Fort Day
bow tie

Bow Tie Day
ask out your crush

Ask Out Your Crush Day
law

Law Day
stress awareness

Stress Awareness Day
camera

Camera Day
girl friend

Girl Friend Day