The Texas legislature elected Wigfall to the United States Senate in 1859 as a Democrat to the 36th United States Congress to fill the vacancy caused by the death of James Pinckney Henderson.
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In the 1994 alternative history/science fiction novel The Guns of the South, Brown serves as the running mate to Robert E. Lee in the 1867 Confederate Presidential Election opposing Nathan Bedford Forrest and Louis Wigfall, and is elected vice president, but is killed during an assassination attempt against Lee on his inauguration day.