Oops, it doesn't look like 'inventors hall of fame inductee is this day' is a national day..

Other days

Appreciate Yaself A Lil Extra Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Lumpy Rug Day

Slime Day

China Day

Get Funky Day

Frozen Yogurt Day

Stud Day

Mean Girls Day

Polyamory Day