Oops, it doesn't look like 'republican party membership cancellation day' is a national day..

Other days

offer

Offer Day
reading

Reading Day
one

One Day
gum

Gum Day
blanket fort

Blanket Fort Day
unicorn

Unicorn Day
azonto is acceptable

Azonto Is Acceptable Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
nail polish

Nail Polish Day
cuddle up

Cuddle Up Day