The oldest portion of the library became the children's section. 1969 - McAllen International Museum begins operations in a building at Quince and 25th Street. This is the site of an old alien detention camp where, in 1957, Rudolf Ivanovich Abel , the Russian spy who was traded for U2 pilot Francis Gary Powers , was held. A three story wing was added on to the north side of the existing structure and the library took on it's present form . 1976, July 4 - The McAllen International Museum dedicated its new building at Nolana and Bicentennial.
Local officials believe there was a serious undercount.
1993, June 2 - Governor Ann Richards signed the bill that created South Texas Community College . Trade with Mexico is simplified. 1995, October 9 - New City Hall building opened at 1300 Houston. 1998, February - The City of McAllen purchases Quinta Mazatlan from Frank Schultz for 1.4 million dollars. It is one of the larger adobe structures in South Texas.