ARMSTRONG, Moses K., author and politician, born in Milan, Ohio, 19 September 1832. He was educated at Huron institute and Western Reserve College, Ohio, went to Minnesota in 1856, was elected surveyor of Mower County, and in 1858 was appointed surveyor of United States lands. On the admission of Minnesota as a state he removed to Yankton, then an Indian village on Missouri river; and, on the organization of Dakota in 1861, he was elected to the legislature of the territory, being reelected in 1861 and 1862, and acting the last year as speaker. He became editor of the "Dakota Union" in 1864, was elected territorial treasurer, appointed clerk of the Supreme Court in 1865, elected to the territorial senate in 1866, and in 1867 was chosen its president, publishing the same year his history of Dakota. He acted as secretary of the peace commission to the Sioux; was employed from 1866 to 1869 in establishing the great meridian and standard lines for United States surveys in southern Dakota and the northern Red River valley, detecting the errors of locating the international boundary-line near Pembina since 1823; in 1869 was elected again to the territorial senate. In 1872 he was chosen president of the first national bank of the territory, and he was elected to the 42d and 43d congresses, as a democrat. He established the first democratic newspaper in the territory.