Architecture of Rome huge and majestic Baroque squares (often adorned with obelisks), many of which were built in the 17th century. The principal squares are Piazza Navona, Piazza di Spagna, Campo de' Fiori, Piazza Venezia, Piazza Farnese and Piazza della Minerva. One of the most emblematic examples of Baroque art is the Fontana di Trevi by Nicola Salvi. Notable 17th-century baroque palaces are the Palazzo Madama, now the seat of the Italian Senate and the Palazzo Montecitorio, now the seat of the Chamber of Deputies of Italy. In 1870, Rome became the capital city of the new Kingdom of Italy. During this time,
Piazza Armerina (1096), founded by Count Simon of Butera, a nephew of Roger I of Sicily. It has important medieval frescoes. Piazza Armerina holds an annual "Palio dei Normanni", a re-enactment in costume of the entrance of the Norman Count Roger I to the city. It takes place on 12–14 August. Piazza Armerina is one of the so-called "Lombard" communes of Sicily, as its dialect differs notably from that of the neighbouring region. This is due to the destruction of the old Piazza by king William I of Sicily, and the subsequent repopulation by William II (according to other scholars, during the