During the emancipation times, the university was a very important figure for the independence movements. The first Constituent congress of Peru took place in the chapel of the University of San Marcos in 1822. During the 19th century the university returned to its local known as the "Casona", next to the university park. Until 1946, the university was usually call University of Lima, then in that year it was officialized its name as "Universidad Nacional Mayor de San Marcos" (National University of San Marcos). In 1951, it was opened the Stadium of the University of San Marcos, as part of the celebrations of its 400th anniversary.