Soon after celebrating the appointment of Federico Borromeo to Archbishop, the city of Milan began planning elaborate festivities to celebrate the betrothal of Prince Philip, future King of Spain, to the niece of the Holy Roman Emperor, Gregoria Maximiliana. She was scheduled to travel through Milan in 1597 on her journey to Spain. Guido Mazenta, a private citizen, planned for the erection of five triumphal arches in strategic locations throughout...