The Exhibition on Your Screen: Selected Images from “A New Spain, 1521–1821” August 30, 2021 by Alberto A. Palacios A New Spain, 1521–1821, an online exhibition, traces the cultural, social, and political evolution of the Viceroyalty of New Spain from the fall of Moctezuma’s Mexico-Tenochtitlán in 1521 until the rise of Iturbide’s Mexican Empire in 1821.