Despite this setback in the East, Pope Boniface VIII was no less adamant about his claims of Papal supremacy in the West, which he reinforced with a bull in 1303 called Unam Sanctam. This asserted that there was only one holy {unam sanctam) Catholic Church, and that to attain salvation it was necessary to submit to the Pope in all matters both spiritual and material. The bull was in response to various trespasses against the authority of the Church that had been committed by King Philip IV of France, often known as Philip the Fair for his golden locks if nothing else, who was forever in need of money to finance the expansion of his kingdom and make war against Flanders and England, and so imposed taxes against the clergy. To Philip this was no different to raising taxes for a crusade, for he ruled with a divine mission; in 1297 he had obtained a sainthood for his grandfather, the crusading Louis IX, and was convinced that France was the chosen kingdom of God. In effect the conflict was between the universalist claims of the Church and the new phenomenon of nationalism as asserted by the king of France, both claiming to have God on their side. The Pope might be the Vicar of God, but Philip, according to his admirers, was ‘more than a man, wholly divine’, and ‘the most Christian king of France’.
When Philip still showed no sign of repentance nor of bowing to the Pope’s will, Boniface prepared a bull of excommunication against the king and his minister William of Nogaret. But before it could be published a force of French soldiers led by William of Nogaret himself burst into the Pope’s summer palace at Agnani in the hills southeast of Rome with the aim of taking Boniface as prisoner back to France to stand trial on charges of heresy, sodomy and the murder of the previous Pope. Boniface, who was guarded by only a handful of Templars and Hospitallers, challenged his enemies to kill him, saying, ‘Here is my neck, here is my head.’ But Boniface had been born at Agnani and the townsfolk rallied to him; and before his captors could do more than slap him around and beat him up, they rushed to his defence and drove the French out. He was a broken man, however, and a month later when he died In Rome any serious pretension of the Catholic Church to universal dominion over spiritual and material affairs died with him. The age had truly begun of European nationstates led, whatever their religious claims, by secular leaders with secular alms.