Oops, it doesn't look like 'confuse piff with a leprechaun day' is a national day..

Other days

cuddle up

Cuddle Up Day
offer

Offer Day
kiss a ginger

Kiss A Ginger Day
unicorn

Unicorn Day
stud

Stud Day
boy friend

Boy Friend Day
carpenters

Carpenters Day
hiv awareness

Hiv Awareness Day
kiss a brunette

Kiss A Brunette Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day