Oops, it doesn't look like 'celebration can be turned into a day' is a national day..

Other days

blanket fort

Blanket Fort Day
pampering

Pampering Day
buddy

Buddy Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ruby

Ruby Day
martini

Martini Day
me

Me Day
boy friend

Boy Friend Day
tell a fairytale

Tell A Fairytale Day
gum

Gum Day