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

Other days

hiv awareness

Hiv Awareness Day
believe

Believe Day
frozen yogurt

Frozen Yogurt Day
self appreciation

Self Appreciation Day
boba

Boba Day
bounce

Bounce Day
blanket fort

Blanket Fort Day
buddy

Buddy Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
lumpy rug

Lumpy Rug Day