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

Other days

reading

Reading Day
frozen yogurt

Frozen Yogurt Day
kale

Kale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
fiancee

Fiancee Day
promposal

Promposal Day
stress awareness

Stress Awareness Day
stud

Stud Day
boy friend

Boy Friend Day
bow tie

Bow Tie Day