Sistine Chapel Sistine Chapel ceiling and "The Last Judgment" by Michelangelo. During the reign of Sixtus IV, a team of Renaissance painters that included Sandro Botticelli, Pietro Perugino, Pinturicchio, Domenico Ghirlandaio and Cosimo Rosselli, created a series of frescos depicting the "Life of Moses" and the "Life of Christ", offset by papal portraits above and trompe l’oeil drapery below. These paintings were completed in 1482, and on 15 August 1483 Sixtus IV celebrated the first mass in the Sistine Chapel for the Feast of the Assumption, at which ceremony the chapel was consecrated and dedicated to the Virgin Mary. Between 1508 and
Restoration of the Sistine Chapel frescoes to the Last Judgment. The restoration was unveiled by Pope John Paul II on 8 April 1994. The final stage was the restoration of the wall frescoes, approved in 1994 and unveiled on 11 December 1999. The aims of the conservators were as follows: In 1979 Colalucci undertook a series of experiments to discover the right approach for the restoration of the frescoes of the Sistine Chapel. The investigation began by testing small areas of the wall fresco, "Conflict over the Body of Moses" by Matteo de Lecce, which had similar physical and chemical attributes to the painting techniques employed