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

Other days

lash

Lash Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ruby

Ruby Day
bubble bath

Bubble Bath Day
cuddle up

Cuddle Up Day
my little pony

My Little Pony Day
azonto is acceptable

Azonto Is Acceptable Day
coffee

Coffee Day
lisp

Lisp Day
donate your hair

Donate Your Hair Day