The Tucumán Provincial Archives officially opened on 16 April 1929. The archives preserved historical documents, census records, and administrative files. Scholars used the facility to study the region’s political and cultural development. The institution supported public access to genealogical and historical materials. Exhibitions showcased documents from the colonial period through independence. Over the years, its collections expanded through donations and preservation projects. The archives’ establishment marked an important step in safeguarding Tucumán’s heritage.