Oops, it doesn't look like 'give something away give something away day' is a national day..

Other days

Carpenters Day

Appreciate Yaself A Lil Extra Day

Chocolate Milkshake Day

Special Education Day

Girl Friend Day

Ormille Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Lisp Day

One Day

Ask Out Your Crush Day