Pope Alexander VI the "portico" of St. Peter's and commissioned a marble door. This door lasted until 1618, when another door was installed in the new basilica. In a ceremony similar to today's, Alexander was carried in the "sedia gestatoria" to St. Peter's. He and his assistants, bearing candles, processed to the holy door, as the choir chanted . The Pope knocked on the door three times, workers moved it from the inside, and everyone then crossed the threshold to enter into a period of penance and reconciliation. Thus, Pope Alexander formalized the rite and began a longstanding tradition that is still in
History of the chair Roman chairs were of marble, also adorned with sphinxes. The curule chair was originally very similar in form to the modern folding chair, but eventually received a good deal of ornament. The most famous of the very few chairs which have come down from a remote antiquity is the reputed Chair of Saint Peter in St Peter's Basilica at Rome. The wooden portions are much decayed, but it would appear to be Byzantine work of the 6th century, and to be really an ancient sedia gestatoria. It has ivory carvings representing the labours of Hercules. A few pieces of an