Ellender served in the upper house of Congress from 1937 until his death in the summer of 1972.<ref>Fried, Joseph P. (July 28, 1972). [https://www.nytimes.com/1972/07/28/archives/allen-j-ellender-of-louisiana-dies-senate-president-pro-tem-held.html ALLEN J.ELLENDER OF LOUISIANA DIES]. ''The New York Times''. Retrieved April 21, 2021.</ref> At the time he was campaigning for yet another term in the Senate. Ellender was succeeded by interim Senator [[Elaine Edwards]], the first wife of then Governor [[Edwin Edwards]]. His permanent successor was his chief primary rival in 1972, former state Senator [[J. Bennett Johnston, Jr.]], of [[Shreveport]], who held the U.S. Senate seat until his retirement in January 1997. Johnston had also been Edwin Edwards' rival for the 1971 Democratic gubernatorial nomination. | Ellender served in the upper house of Congress from 1937 until his death in the summer of 1972.<ref>Fried, Joseph P. (July 28, 1972). [https://www.nytimes.com/1972/07/28/archives/allen-j-ellender-of-louisiana-dies-senate-president-pro-tem-held.html ALLEN J.ELLENDER OF LOUISIANA DIES]. ''The New York Times''. Retrieved April 21, 2021.</ref> At the time he was campaigning for yet another term in the Senate. Ellender was succeeded by interim Senator [[Elaine Edwards]], the first wife of then Governor [[Edwin Edwards]]. His permanent successor was his chief primary rival in 1972, former state Senator [[J. Bennett Johnston, Jr.]], of [[Shreveport]], who held the U.S. Senate seat until his retirement in January 1997. Johnston had also been Edwin Edwards' rival for the 1971 Democratic gubernatorial nomination. |