Thomas à Becket, Archbishop of Canterbury, was a favourite of the citizens, though hated by his sovereign. Gilbert à Becket, his father, had a shop in Cheapside on the site of Mercers' Hall, whither the fair Saracen is said to have followed him from the Holy Land, where he had gone on a Crusade. He built a chapel in the churchyard of St. Paul, and his son, the famous archbishop, was well known to the citizens. Gilbert Foliot, Bishop of London, however, had taken the side of the king, Henry II., in the fatal quarrel, and aroused the anger of the prelate. A curious scene took place in consequence in old St. Paul's. A priest was celebrating mass, when a man approached, thrust a paper into his hand, and cried aloud, "Know all men that Gilbert, Bishop of London, is excommunicated by Thomas, Archbishop of Canterbury." The news spread fast among the citizens. Foliot at first attempted to defy the dread sentence; but he knew something of the nature of the citizens of London, and wisely bowed before the decree, which the people were quite willing to enforce. St. Paul's was the scene of a memorable council in the reign of Richard Coeur de Lion, who was crusading in Palestine. The bishops, together with the king's brother John, met in the nave and condemned Longchamp to resign the office of justiciary, and to surrender the castles which he held in the name of the king. During this reign a factious demagogue, William Fitz-Osbert, equally distinguished by the length of his beard and the vehemence of his eloquence, called the people together at Paul's Cross, and excited them to rebel against their oppressors. Bishop Hubert, however, calmed the multitude on the eve of a formidable rising. The people deserted their leader, who took refuge in St. Mary-le-Bow Church, which was set on fire, and Fitz-Osbert suffered death at the hands of the hangman. Thus from the tyranny of a Royal favourite, and from that of a mob orator, the people were saved by the influence of the Church in St. Paul's Cathedral. A still greater service did St. Paul's render to England. Here was assembled a grand concourse of bishops, abbots, deans, priors and barons, to withstand the oppressive lawlessness of King John. Here Magna Charta was first devised. Here, at the instigation of Archbishop Langton, the barons and chief men swore to maintain the principles of the Charta, and to protect the liberties of Englishmen.