 From the sixteenth to the nineteenth century, the transatlantic slave trade brought ten million enslaved Africans to the Americas.By 1817 in New Orleans, city laws "restricted gatherings of enslaved people to Sunday afternoons in Congo Square, known as Place Publique".In 1917, jazz pianist Spencer Williams wrote a song called "Shim-Me-Sha-Wabble" which inspired a jazz dance called the shimmy.