Louisville, KY a.k.a. Derby City, Gateway to the South, River City, The Ville

• Legend has it that the University of Louisville Cardinals basketball team originated the high-five during a practice of the 1978-79 season. High-fives can even be seen during the highlight reels of that year

• Two Louisville kindergarten teachers, Patty and Mildred J. Hill, created the “Happy Birthday to You” song. It was originally entitled “Good Morning to All” but was later changed to fit a birthday theme

• The Greatest, Muhammad Ali, was born in Louisville