 Later, other urban plans were drawn up, with a new emphasis on nature and heritage protection, as well as on social mixing.During the 1990s, the redevelopment of the Saint-Serge quarter, located just north of the historical center, produced a new business center, gardens and university buildings.Angers received its communal charter from Louis XI of France in February 1475, but free elections for the mayor and aldermen were not guaranteed before 1484, following a decision by Charles VIII.