Il Redentore was built as a votive church in thanksgiving for deliverance from a major outbreak of the plague that decimated Venice between 1575 and 1576, in which some 46,000 people died. The Senate of the Republic of Venice commissioned the architect Andrea Palladio to design the votive church. Though the Senate wished the Church to be square plan, Palladio designed a single nave church with three chapels on either side. Its prominent position on the Canale della Giudecca gave Palladio the opportunity to design a facade inspired by the Pantheon of Rome and enhanced by being placed on a wide plinth. 15 steps were required to reach the church's entrance, a direct reference to the Temple of Jerusalem and complicit with Palladio's own requirement that "the ascent will be gradual, so that the climbing will bring more devotion". The cornerstone was laid by the Patriarch of VeniceGiovanni Trevisano on 3 May 1577 and the building was consecrated in 1592. At the urgent solicitations of Pope Gregory XIII, after consecration the church was placed in charge of the Order of Friars Minor Capuchin. A small number of Friars reside in the monastery attached to the church. Every year the doge and senators walked across a specially constructed pontoon bridge from the Zattere to Giudecca to attend Mass in the church. The Festa del Redentore remains a major festival in the Venetian calendar, celebrated on the third Sunday in July. A huge firework display on the previous evening is followed by a mass procession across the pontoon bridge.
Exterior
Il Redentore has one of the most prominent sites of any of Palladio's structures, and is considered one of the pinnacles of his career. It is a large, white building with a dome crowned by a statue of the Redeemer. On the façade a central triangular pediment overlies a larger, lower one. This classical feature recalls Palladio's façade for San Francesco della Vigna, where he used an adaptation of a triumphal arch. Palladio is known for applying rigorous geometric proportions to his façades and that of this church is no exception. The overall height is four-fifths that of its overall width whilst the width of the central portion is five-sixths of its height. It has been suggested that there are some Turkish influences in the exterior, particularly the two campanili which resemble minarets.
Interior
As a pilgrimage church, the building was expected to have a long nave, which was something of a challenge for Palladio with his commitment to classical architecture. The result is a somewhat eclectic building, the white stucco and gray stone interior combines the nave with a domed crossing in spaces that are clearly articulated yet unified. An uninterrupted Corinthian order makes its way around the entire interior.