The piazza took shape at the end of the 1200s, on a space that was for a long time used for fairs and markets and was situated at a crossroad of important streets. When it was built (the flooring dates back to the 1300s, it managed to hold the entire population of Siena, who gathered here to attend events, tournaments, and buffalo and bull races. Piazza del Campo has hosted almost all the important events in the history of the city, from the time of the Republic up until the Medici period, during which Siena come under the control of Florence of Cosimo I de'Medici.
