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The park has been opened on 6 July 1879 by the city who bought the land that was part of an ancient Convent. The project made by Ernesto Baldo Bertone di Sambuy is a typical English landscape garden, similar to Parco Sempione in Milan.
In the main square of the park there is a liberty building, used for many years as an astronomical observatory. The use is now made almost impossible by light pollution.