This category is for organizations, places and other things founded or established in the 1820s in Argentina
- 1820s establishments in the United Provinces of the Rio de la Plata (1810–1831).
- Post-colonial successor of the Spanish Viceroyalty of Rio de la Plata, and predecessor of present day Argentina.
Subcategories
This category has the following 6 subcategories, out of 6 total.