Complex sentence: She was then elected on November 8,1938, as a Republican to the United States Senate to fill the vacancy caused by the death of Peter Norbeck and served from November 9,1938, to January 3,1939.
Split into simpler sentences: She was then elected on November 8,1938, as a Republican to the United States Senate to fill the vacancy caused by the death of Peter Norbeck. She served from November 9,1938, to January 3,1939.