The South Sioux City Public Library and Mango Languages will celebrate Speak Like a Pirate Day on September 19. This celebration is meant to promote the Mango Languages software. Vitim our our website to connect with Mango Languages. We have photos of our pirate ship on our Facebook page. You are welcome as well to stop by the library, 2121 Dakota Avenue, South Sioux City, Nebraska to see the USS Mixdorf in person.