English language dictionaries and references; photo by John Keogh on Flickr (noncommercial use permitted with attribution).
Official State Common Language of South Dakota
South Dakota designated English as the official state common language in 1995. All State Languages & Poetry
18% of the United States population over the age of five speaks a language other than English at home, including native American languages, Spanish, German, French, Tagalog, Italian, Chinese, Polish, Korean, Russian, Swedish, Norwegian, Danish, and American sign language. Quite a few states have adopted official state languages, but the United States does not recognize an official national language.