Oops, it doesn't look like 'incubation day' is a national day..

Other days

African Immigrant And Refugee Hiv And Hep Awareness Day

Embarrass Your Best Friend Day

Hiv Awareness Day

Bounce Day

My Little Pony Day

Cursing Day

Lisp Day

Fiancee Day

Tulip Day

Appreciate Yaself A Lil Extra Day