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To provide a safe and educational environment that promotes family, community and volunteerism. We strive to promote the youth of South Texas through leadership development, agricultural education, and competition with a goal of creating the leaders of tomorrow.

In 1939, the Rio Grande Valley Livestock Show and Agricultural Exposition, the foundation of today’s Show, was organized as a project of the Mercedes Chamber of Commerce. The first Show was held in 1940 on the grounds of a local livestock sales yard with improvised pens and lean-to sheds. The Show continued to be held on this same property until 1949 when it moved to its present location at 1000 North Texas Avenue in Mercedes.

In 1947, the Show was incorporated and chartered as a non-profit educational organization with a Board of Directors representing the four southmost counties of Texas: Cameron, Hidalgo, Starr & Willacy.

Until 1955, all livestock was shown primarily in tents. By 1979 all exhibits which were once housed in approximately 12 tents were now in permanent building located on slightly over 100 acres. The two most significant structures at that time were the Coliseum and Hog Barn. In addition, the neighboring high school football stadium was plowed under annually to serve as the host arena and grandstand for its annual rodeo.

In 2005, the Coliseum and Hog Barn were demolished and a Multi-Purpose Event Center was built with the help of grant funding received from the U. S. Department of Commerce - Economic Development Administration.

Volunteers from all walks of life including bankers, lawyers, accountants, farmers, ranchers, business people, community people along with a dedicated Board of Directors, give endless hours of their time to make the Show a success. Without the tremendous efforts of all the volunteers and Directors, it would be impossible to produce the annual Show.

In 2023, the Rio Grande Valley Livestock Show distributed in excess of $1.7 million to FFA and 4-H exhibitors. Over it's history, the Show has supported 4-H and FFA exhibitors with millions of dollars in financial support as part of its ongoing mission.

The Show has continued to grow each year and now ranks as one of the top ten in the State. People from all over Texas eagerly anticipate the event and come to enjoy the many activities including a parade, rodeos, competitive livestock events and the many, many attractions which are scheduled daily.

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