Clio Now relegated to a model of Renault motorcar and a series of awards in the advertising industry, CLIO or Kleio (famous) was the Muse of history. She was responsible for proclaiming, for noising abroad, and making famous the deeds of the great. America’s oldest debating union, founded in Princeton by James Madison, Aaron Burr, and others, is called the Cliosophical Society in her honor.