EDINBURG, Texas — On April 19, 1970, the “doors to the past” were opened to the 1910 Jail and the rest is history! From that momentous day on, the museum grew from a small county museum (Hidalgo County Historical Museum) to an American Alliance of Museums accredited museum (Museum of South Texas History) with state-of-the-art exhibitions set on a campus encompassing more than a city block. For 50 years, MOSTHistory has had an incredible history of its own, independent of the many stories its on-going exhibits tell. “Golden Memories: Fifty Years of Preserving the Borderland Heritage of the Rio Grande ...