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 della Signoria Piazza della Signoria Piazza della Signoria () is an L-shaped square in front of the Palazzo Vecchio in Florence, Italy. It was named after the Palazzo della Signoria, also called Palazzo Vecchio. It is the main point of the origin and history of the Florentine Republic and still maintains its reputation as the political focus of the city. It is the meeting place of Florentines as well as the numerous tourists, located near Palazzo Vecchio and Piazza del Duomo and gateway to Uffizi Gallery. The impressive 14th-century Palazzo Vecchio is still preeminent with its crenellated tower. The square is also