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

Other days

prosecco

Prosecco Day

girl friend

Girl Friend Day

first love

First Love Day

pampering

Pampering Day

law

Law Day

stress awareness

Stress Awareness Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

gallery

Gallery Day

comfy

Comfy Day

kiss a ginger

Kiss A Ginger Day