Ottavio Farnese reigned as Duke of Parma and Piacenza from 1547 until his death and Duke of Castro from 1545 to 1547 and from 1553 until his death.
Piacenza
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Piacenza is a city and comune (municipality) in the Emilia-Romagna region of Northern Italy, and the capital of the eponymous province. As of 2022, Piacenza is the ninth largest city in the region by population, with more than 102,000 inhabitants.
Francesco Mochi's 1615 equestrian statue of Ranuccio II Farnese, Duke of Parma, in the city's main square, Piazza Cavalli
Mosaic of the old coat of arms for the city, bearing a horse with one raised leg
Two gold Doppie (1626) depicting Odoardo Farnese (obv) and Placentia floret ("Piacenza flourishes")(rev)
The French Pass the River Po at Piacenza, by Giuseppe Pietro Bagetti, 1803