its prince. Henry IV. and Prince Henry came to Wales, made rapid marches and retook castles, punished the friars of Llan Vaes and the monks of Strata Florida. But their victories led to nothing, and the storms fought against them. Owen's victories were used to the full—that of the Vyrnwy was followed by an agreement with Grey of Ruthin, that of Bryn Glas by an alliance with the Mortimers. His marches were nearly all triumphant; he was welcomed along the whole line of the marches by the peasants to the furthest corners of Gwent.
Owen was wise enough to see that no abiding power can be based on a popular rising. He tried to establish a government that the King of England could not overthrow. He had three institutions in mind—an independent Wales, governed by him as Prince in a Parliament of representatives of the commotes; an independent Welsh Church, with an Archbishop of St David's at its head; and an independent system of learning and civilisation, guided by two Universities, one in North Wales and one in South Wales.
The new Wales was to he safeguarded by four alliances—with the English barons, with the Pope, with Scotland, and with France. He failed to save the Percies
