Oops, it doesn't look like 'piss water beer and shitty caucasian bbq day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
eat what you want

Eat What You Want Day
bounce

Bounce Day
special education

Special Education Day
hiv awareness

Hiv Awareness Day
my little pony

My Little Pony Day
offer

Offer Day
first love

First Love Day
lumpy rug

Lumpy Rug Day
lash

Lash Day