7A Product of the Battle between the Pope and the Holy Roman Emperor
Source: Link
In 1268, there was a bitter rivalry between the Holy Roman Emperor and the Papacy. This leads to a struggle and finally the destruction of the homes of Ghibellines – supporters of the Roman Emperor, by Guelphs the supporters of the pope. It paved the way for the construction of the piazza. Click the next ARROW to see the next photo!