The 1948 United States Senate election in Texas was held on November 2, 1948. After the inconclusive Democratic Party primary in July, a hotly contested runoff was held in August in which U.S. Congressman Lyndon B. Johnson was officially declared to have defeated former Texas governor Coke Stevenson for the party's nomination by eighty-seven votes. The state party's executive committee subsequently confirmed Johnson's nomination by a margin of one vote. The validity of the runoff result was challenged before the US Supreme Court due to allegations of irregularities, and in later years, testimony by the parties involved indicated that widespread fraud occurred and that friendly political machines produced the votes needed for Johnson to defeat Stevenson. After years of desultory opposition