Oops, it doesn't look like 'thigh socks and high waisted skirt day' is a national day..

Other days

Fiancee Day

Cat Girl Day

Appreciate Yaself A Lil Extra Day

Polyamory Day

Girl Friend Day

Boyfriend Day

Prosecco Day

Get Funky Day

First Love Day

African Immigrant And Refugee Hiv And Hep Awareness Day