Oops, it doesn't look like 'parks if you only have one day' is a national day..

Other days

one

One Day

blanket fort

Blanket Fort Day

pampering

Pampering Day

lisp

Lisp Day

martini

Martini Day

bow tie

Bow Tie Day

hannah

Hannah Day

ruby

Ruby Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

law

Law Day