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

Other days

stress awareness

Stress Awareness Day
bow tie

Bow Tie Day
gum

Gum Day
lumpy rug

Lumpy Rug Day
ride the wind

Ride The Wind Day
girl friend

Girl Friend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
kiss a ginger

Kiss A Ginger Day
eat what you want

Eat What You Want Day
cursing

Cursing Day