Sistine Chapel: The Papal Chapel and Renaissance Masterpiece in Vatican City
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On this page26 sections
History
The Sistine Chapel is a Renaissance papal chapel in Vatican City, rebuilt in the 1470s and early 1480s for the ceremonial and religious life of the papal household. Dedicated to the Assumption of the Virgin Mary, it was consecrated on 15 August 1483. Its architecture, wall paintings, ceiling, and continuing institutional functions connect the building with the history of the papacy and the development of Renaissance art.
The Earlier Chapel and Rebuilding
The Sistine Chapel occupies the site of an earlier papal chapel, known as the Cappella Magna, or Great Chapel, which was documented in 1368. After periods of neglect and civil disorder in Rome, that building had become ruinous, with walls that were leaning. Pope Sixtus IV della Rovere ordered its rebuilding as part of a wider restoration of Rome. Construction took place during the 1470s and was completed by the early 1480s.
The new chapel retained the role of its predecessor as the principal ceremonial chapel of the papal household. Solemn liturgical celebrations brought together the papal court, cardinals, senior clergy, diplomats, officials, and distinguished visitors. Sixtus IV also established the first nucleus of the Sistine Chapel Choir soon after his election in 1471. The permanent choir traditionally sang without instrumental accompaniment, and music written for it included Gregorio Allegri’s Miserere.
Fifteenth-Century Decoration
Sixtus IV commissioned the decoration of the side walls during a period of reconciliation between the papacy and Lorenzo de’ Medici after the Pazzi Conspiracy. Florentine and Umbrian painters began work in Rome in 1481, and the wall cycle was completed around 1482. The program presented the lives of Moses and Christ as parallel histories. Its arrangement and inscriptions expressed the belief that the Old Testament anticipated the New Testament, while Christ transferred spiritual authority to Saint Peter and his papal successors.
The painters included Sandro Botticelli, Pietro Perugino, Domenico Ghirlandaio, Cosimo Rosselli, Luca Signorelli, Pinturicchio, Piero di Cosimo, Biagio d’Antonio, and Bartolomeo della Gatta, together with their workshops. The decoration also included portraits of early popes and painted imitations of hanging textiles. These works established the chapel’s principal visual and theological program before later changes to the ceiling and altar wall.
Conclaves and Continuing Religious Use
The chapel has traditionally hosted papal conclaves since the fifteenth century. A conclave is the formal election of a pope by the College of Cardinals. The first conclave held in the chapel took place in 1492 and elected Pope Alexander VI. Since 1996, cardinals have been lodged elsewhere during conclaves, but they continue to vote in the chapel.
The building remains a papal oratory and a Roman Catholic place of worship under the Holy See. It continues to host important services in the papal calendar, including the practice of the pope administering baptism to children on the Feast of the Baptism of the Lord.
Structural Damage and Michelangelo’s Ceiling
In 1504, subsidence probably caused the south wall to lean and produced a major crack in the ceiling. Religious functions were temporarily suspended while Pope Julius II della Rovere reinforced the vault with chains and repaired the crack with new bricks. The earlier starry ceiling was irreparably damaged.
Julius II commissioned his nephew’s contemporary, Michelangelo Buonarroti, to replace the damaged decoration. Michelangelo worked on the vault from 1508 to 1512, producing a much more extensive program than the twelve apostles originally proposed. The ceiling was formally unveiled on 31 October 1512. Michelangelo built his own wooden working platform, supported by brackets inserted into the upper walls, rather than painting while lying on the scaffolding. His first plaster mixture developed mold and had to be removed and replaced with a more suitable mixture prepared with assistance from Jacopo Torni.
Leo X commissioned ten tapestries from designs by Raphael in 1515. Woven in Brussels in the workshop of Pieter van Aelst, they depict episodes from the lives of Saints Peter and Paul and were intended for important ceremonies. The tapestries were looted and dispersed during the Sack of Rome in 1527. A set assembled from later versions was displayed in the chapel again in 1983.
Later Damage and the Last Judgment
Further subsidence continued to affect the building. On Christmas Day 1522, the architrave of the entrance portal collapsed and killed a Swiss Guard near Pope Adrian VI. New cracks appeared during the conclave of 1523, after which Antonio da Sangallo examined the chapel. Later foundation work damaged the two frescoes that completed the Moses and Christ cycles. In the sixteenth century, Hendrick van den Broeck painted a new Resurrection of Christ over Domenico Ghirlandaio’s lost composition, and Matteo da Lecce painted a new Disputation over the Body of Moses over Luca Signorelli’s original.
Pope Clement VII commissioned Michelangelo to paint the Last Judgment above the altar. Work began in 1535 or 1536 and was completed in 1541 under Pope Paul III Farnese. The fresco replaced Perugino’s Nativity, Finding of Moses, and Assumption of the Virgin, along with other earlier decoration.
The Last Judgment provoked accusations of immorality because of its many nude figures. Cardinal Carafa and Monsignor Sernini supported a campaign to censor the painting, while the papal master of ceremonies Biagio da Cesena criticized it as more suitable for public baths than a papal chapel. Michelangelo represented Biagio as Minos, judge of the underworld. Daniele da Volterra later added draperies and loincloths to many figures, earning the nickname “Il Braghettone.” He also substantially replaced the figures of Saint Catherine and Saint Blaise after objections to their pose. Nearly forty figures received later coverings, although some sixteenth-century additions were retained as evidence of the Counter-Reformation.
Conservation and Heritage
The frescoes underwent repeated repairs after damage from rainwater, soot, candle smoke, dirt, and earlier restoration treatments. Major campaigns took place in 1903, 1935 to 1936, and principally from the 1980s to 1994. Led by Gianluigi Colalucci, the principal restoration used laboratory analysis, controlled cleaning, infrared examination, and consolidation of plaster threatened by detachment.
The work removed accumulated soot and later surface materials, revealing brighter colors and details. Most later additions were removed, while some sixteenth-century coverings were retained. The restoration remained controversial because some critics regarded the darkened surface as historical patina and questioned whether cleaning removed original shadow effects. A new roof structure, climate control, and humidity regulation were subsequently used to reduce risks to the paintings. Pope John Paul II ceremonially reopened the complete restored chapel on 11 December 1999. In 2014, a new LED lighting system reduced heat and energy consumption and provided adjustable lighting for conclaves and special ceremonies.
The Sistine Chapel forms part of the Vatican City UNESCO World Heritage Site, inscribed in 1984. Its artistic and institutional importance is bound to the papal ceremonial complex and to the survival and conservation of its Renaissance decoration.
Remains
Building and Layout
Exterior and Internal Levels
The chapel stands within the Apostolic Palace, immediately north of Saint Peter’s Basilica, and is reached internally through the Sala Regia and the Scala Regia. It includes a basement, an intermediate level, the chapel proper, and an upper defensive passage. The rectangular basilical plan measures approximately 40.9 metres in length, 13.4 metres in width, and 20.7 metres in height. Its proportions were intended to recall those attributed to Solomon’s Temple, with the length approximately twice the height and three times the width.
The design is attributed principally to Baccio Pontelli. Giovannino de’ Dolci is associated with supervision of construction, although the attribution of the architectural project to both men is not completely certain. The exterior is comparatively plain and has no monumental facade or external processional entrance because access has traditionally been through the internal rooms of the Apostolic Palace. Later buildings, buttresses, and roofed passages changed its external appearance.
Vault, Windows, and Passage
The lower story is a strongly vaulted basement with utilitarian windows and an exterior doorway. Above the main vault is an upper level containing guard rooms and a projecting passage that originally encircled the building. The passage was later roofed because it allowed water to leak into the vault. The roof itself consists of a shallow, flattened vault. Transverse vaults above the windows form spandrels and lunettes, while curved triangular corner sections provide transitions between the vault and the walls.
The chapel originally had six tall arched windows in each side wall and two additional openings at the ends. Some openings were later blocked, including western windows affected by construction of the Last Judgment.
Pavement, Screen, and Choir Gallery
The fifteenth-century pavement is made of polychrome marble in the Cosmatesque, or opus alexandrinum, tradition. Linked circles and patterned squares mark the processional route from the entrance and indicate the former positions of the papal throne, cardinal benches, and celebrants near the altar.
A marble transenna, a screen separating the principal liturgical area from the space used by other worshippers, divides the chapel into clerical and lay sections. Mino da Fiesole, Andrea Bregno, and Giovanni Dalmata made the screen, whose sculpted and gilded reliefs include putti, garlands, the arms of Sixtus IV, and vegetal ornament. Pillars, doors, an architrave, and marble candlesticks surmount it. The screen was first placed more centrally, then moved toward the lay area to enlarge the space for the pope and his court. In the 1880s it was shifted about five metres to enlarge the choir area.
The projecting choir gallery, or cantoria, is approximately five metres wide and two metres deep on the right wall. Made by the same sculptors as the transenna, it accommodated about twelve singers behind a decorated balustrade. The altar has always stood against the west wall. The present altar was consecrated in 1724 and follows the arrangement of its fifteenth-century predecessor. Its western position was chosen because an eastern orientation would have conflicted with the structure of the Apostolic Palace, placing the painted cycles at odds with the usual east-facing liturgical orientation.
Fifteenth-Century Wall Paintings
Cycles of Moses and Christ
The side walls are arranged in three horizontal registers. The lowest contains painted textile hangings, the middle presents scenes from the lives of Moses and Christ, and the upper register contains portraits of popes, lunettes with the ancestors of Christ, and related architectural divisions.
On the south wall, the Moses cycle includes Moses Leaving for Egypt, The Trials of Moses, The Crossing of the Red Sea, The Descent from Mount Sinai, The Punishment of the Rebels, and The Testament and Death of Moses. The north wall contains the Christ cycle, including The Baptism of Christ, The Temptations of Christ, The Vocation of the Apostles, The Sermon on the Mount, The Delivery of the Keys, and The Last Supper.
These scenes form typological pairs. The typological method interprets Old Testament events as anticipations or symbolic counterparts of events in the New Testament. In the chapel, Moses appears as a lawgiver, Christ as the fulfiller of the law, and Saint Peter as the recipient of ecclesiastical authority.
Textile Hangings and Entrance Wall
The lower walls contain painted imitations of rich curtains or damask hangings decorated with oak leaves and acorns, a heraldic reference to the della Rovere family name. During major ceremonies, the ten tapestries designed by Raphael were hung over this zone.
The east, or entrance, wall contains Hendrick van den Broeck’s replacement Resurrection of Christ, dated 1572, and Matteo da Lecce’s replacement Disputation over the Body of Moses, dated 1574. Each took the place of an earlier fresco damaged or destroyed during later foundation work.
Michelangelo’s Ceiling
Genesis Scenes and Figures
The first ceiling decoration was probably a blue starry sky with gilt stars or gilded wax spheres, traditionally attributed to Piermatteo d’Amelia or his workshop. Structural damage in 1504 and Michelangelo’s repainting destroyed that scheme. Michelangelo’s ceiling covers approximately 520 square metres and contains more than 300 figures, including 115 described as larger than life-size.
Nine central panels present scenes from Genesis in three groups concerning Creation, Adam and Eve, and Noah. They show the separation of light from darkness, the creation of the sun, moon, and plants, the separation of land and water, the creation of Adam, the creation of Eve, the Fall and expulsion from Paradise, Noah’s sacrifice, the Flood, and Noah’s drunkenness. The sequence runs in reverse chronological order, beginning with Noah’s drunkenness and moving toward the Creation. The figures become more monumental and expressive toward the altar.
In the Creation of Adam, God extends a finger toward Adam, with the fingertips separated by approximately 1.9 centimetres. A female figure beneath God’s arm has been interpreted as the unborn Eve. The Flood scenes contain approximately sixty figures arranged along diagonal lines. They include the ark, a smaller boat, people trying to escape through trees or carry family members, and groups interpreted as the saved, the condemned, and those lost through attachment to worldly possessions.
Medallions, Ignudi, Prophets, and Sibyls
Ten fictive bronze medallions, one undecorated, occupy the ceiling. Each measures approximately 130 to 140 centimetres in diameter. Michelangelo imitated bronze with ochre, burnt sienna, black tempera, and applied gold. The medallions depict episodes from biblical history, including the sacrifice of Isaac, Elijah’s ascent, and stories associated with the Books of Samuel and Kings.
Pairs of Ignudi, Michelangelo’s repeated nude male figures, hold or frame the medallions. Their height varies from approximately 150 to 180 centimetres. Because they do not belong to one biblical narrative, their meaning remains debated. They have been interpreted as embodiments of human beauty and strength, angels, Atlases, bound demons, or decorative figures.
Seven Old Testament prophets and five sibyls sit on monumental painted thrones around the ceiling. A sibyl is a female prophetic figure from classical antiquity. Michelangelo placed the sibyls beside the prophets to suggest that Jewish and classical prophecies both anticipated Christ. The figures increase in size toward the altar, probably to compensate for perspective. Jonah, directly above the Last Judgment, measures approximately 390 by 380 centimetres and looks upward toward the Genesis scenes.
Ancestors and Corner Scenes
The four corner sections depict David and Goliath, Judith and Holofernes, Esther and Haman, and Moses and the bronze serpent. These scenes present male and female heroes associated with the miraculous rescue of Israel.
The lunettes and related vault sections depict the ancestors of Christ, whose names appear on painted plaques. Some identifications are uncertain because the surfaces are damaged. Michelangelo removed the figures from Abraham to Aram to make room for the Last Judgment, and the surviving series begins with Amminadab. Lower triangular areas contain groups of ancestors including David, Solomon, Jesse, Rehoboam, Abijah, Asa, Jehoshaphat, Joram, Uzziah, Jotham, Ahaz, Hezekiah, Manasseh, Amon, Josiah, Jehoiachin, Shealtiel, Zerubbabel, Abiud, and Eliakim.
The Last Judgment
Composition and Religious Imagery
The Last Judgment covers the altar wall in a double-lunette composition approximately 20 metres high and 10 metres wide, with about 390 to 400 figures. It represents Christ’s Second Coming and judgment. The resurrected rise from their graves, the saved ascend, and the damned descend toward Hell.
Christ occupies the center with the Virgin Mary beside him. Saints surround them, including Saint John the Baptist, Saint Peter with the keys, Saint Lawrence with his gridiron, Saint Bartholomew with his flayed skin, Saint Catherine with her wheel, and Saint Sebastian with arrows. The lower part shows Charon ferrying souls across the Acheron and Minos supervising entry into the underworld. These figures combine Christian imagery with elements from Greek mythology and Dante’s Inferno. Michelangelo represented his own likeness on the flayed skin held by Saint Bartholomew.
Angels and Later Alterations
The lunettes above the fresco contain angels carrying the Cross, the column of the Flagellation, the Crown of Thorns, and the sponge offered to Christ. Other angels hold trumpets and books recording the names of the saved and damned.
The later draperies and loincloths added by Daniele da Volterra altered many figures while preserving part of the sixteenth-century response to objections about nudity. The coverings, together with the replacement figures of Saint Catherine and Saint Blaise, remain part of the fresco’s later history and its association with the Counter-Reformation.
Music and Papal Elections
Organ and Choir
An organ installed in December 2002 stands in the right corner of the entrance wall. Built by Mathis Orgelbau of Näfels, it is a mobile mechanical-action pipe organ with fourteen stops, two manuals, and a pedalboard. Each manual has 56 keys, while the pedalboard has 30 keys.
Chimney and Smoke Signals
During a papal election, a temporary copper chimney is mounted over a roof opening near the east gable. Two cast-iron stoves inside the chapel connect to it. The older stove, used since 1939, burns ballots and notes, while a second stove, introduced in 2005, uses a smoke cartridge to produce the required color. White smoke announces a successful election, while black smoke indicates that no candidate has received the required majority. The signal has identified the result of papal ballots since 1914.
Conservation of the Paintings
The frescoes, wall and ceiling paintings made on plaster, are protected by measures addressing soot, dust, humidity, temperature, roof leakage, and structural instability. The major restoration revealed intense pinks, yellows, greens, blues, and purples, as well as Michelangelo’s use of contrasting color techniques including cangiante. Climate control, humidity regulation, roof improvements, and LED lighting continue to reduce risks to the painted surfaces.
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