Ascension of Jesus to facilitate the obligation to attend Mass. Saint Jerome held that it was of Apostolic origin, but in fact the ascension was originally part of Pentecost (the coming of the Holy Spirit), and developed as a separate celebration only slowly from the late 4th century onward. In the Catholic tradition it begins with a three-day "rogation" to ask for God's mercy, and the feast itself includes a procession of torches and banners symbolising Christ's journey to the Mount of Olives and entry into heaven, the extinguishing of the Paschal candle, and an all-night vigil; white is the liturgical colour. The
Resurrection of Jesus the 4th-century sarcophagus of Domitilla in Rome. Here, in the wreathed Chi Rho the death and Resurrection of Christ are shown as inseparable, and the Resurrection is not merely a happy ending tucked at the end of the life of Christ on earth. Given the use of similar symbols on the Roman military banner, this depiction also conveyed another victory, namely that of the Christian faith: the Roman soldiers who had once arrested Jesus and marched him to Calvary now walked under the banner of a resurrected Christ. The cosmic significance of the resurrection in Western theology goes back to