Oops, it doesn't look like 'gallery workers are star exhibit with day' is a national day..

Other days

lumpy rug

Lumpy Rug Day
artists

Artists Day
my little pony

My Little Pony Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
unicorn

Unicorn Day
nae nae

Nae Nae Day
me

Me Day
eat what you want

Eat What You Want Day
pick me

Pick Me Day
bow tie

Bow Tie Day