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

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
prescription drug take back

Prescription Drug Take Back Day
chocolate milkshake

Chocolate Milkshake Day
pumpkin

Pumpkin Day
pampering

Pampering Day
brow

Brow Day
me

Me Day
boy friend

Boy Friend Day
pick me

Pick Me Day
boyfriend

Boyfriend Day