The Thereza Christina Maria Collection consists of 21,742 photographs assembled by Emperor Pedro II and left by him to the National Library of Brazil. The collection covers a vast range of subjects. It documents the achievements of Brazil and the Brazilian people in the 19th century, as well as includes many photographs from Europe, Africa, and North America. This photograph shows the parade celebrating the marriage of Princess Isabel, the daughter of Emperor Pedro II and Empress Thereza Christina Maria, with the Count of Eu on October, 15, 1864. Eu, Luis Filipe Maria Fernando Gastão de Orleans, Conde D', 1842-1922; Isabel, Princess of Brazil, 1846-1921; Memory of the World; Parades and processions; Plazas; Royal families; Weddings