NOTES: The Palazzo d'Accursio also known as the Palazzo Communale incoroporates buildings of many different periods. Its origins go back to the 13th century when it was acquired by the commune in 1287 from Francesco d'Accursio. In 1336 the various palaces around the square were united as one town hall. In 1425-1428 the palace to the right of the main entrance was rebuilt by Fioravante Fioravanti and the whole structure fortified in the 16th century by the papal legates as their residence.
NOTES: The lower two thirds of the west tower is 12th century while the upper third was added c. 1400. The transept dates from the third quarter of the 12th century.
NOTES: The lower two thirds of the west tower is 12th century while the upper third was added c. 1400. The transept dates from the third quarter of the 12th century.