The story of Rhodopis, recounted by the Greek geographer Strabo sometime between 7 BCE and CE 23, about a Greek slave girl who marries the king of Egypt, is usually considered to be the earliest known variant of the Cinderella story. The protagonist is a young girl living in forsaken circumstances that are suddenly changed to remarkable fortune, with her ascension to the throne via marriage. ' Cinderella', or ' The Little Glass Slipper', is a folk tale with thousands of variants that are told throughout the world.