Texas United States portal History portal This category is for topics specifically related to the year 1891 in the U.S. state of South Dakota. 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 Subcategories This category has the following 2 subcategories, out of 2 total. / ► 1891 establishments in South Dakota (1 P)E ► 1891 South Dakota elections (2 P)