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

Other days

law

Law Day
fiancee

Fiancee Day
eat what you want

Eat What You Want Day
coffee

Coffee Day
tell a fairytale

Tell A Fairytale Day
pick me

Pick Me Day
latina equal pay

Latina Equal Pay Day
polyamory

Polyamory Day
ruby

Ruby Day
hannah

Hannah Day