Oops, it doesn't look like 'sad alcoholic divorcee avi day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
boyfriend

Boyfriend Day
believe

Believe Day
me

Me Day
prescription drug take back

Prescription Drug Take Back Day
chocolate milkshake

Chocolate Milkshake Day
martini

Martini Day
blanket fort

Blanket Fort Day
frozen yogurt

Frozen Yogurt Day
my little pony

My Little Pony Day