Complex sentence: In 1879, they changed the name of many of the Paris streets and squares; "Place du Château-d’Eau" became "Place de la République", and a statue of the Republic was placed in the center in 1883.
Split into simpler sentences: In 1879, they changed the name of many of the Paris streets and squares. The "Place du Château-d’Eau" became the Place de la République, and a statue of the Republic was placed in the center in 1883.