one o'clock
They were still enormously superior in force ; but the energy and skill of Peterborough counterbalanced the inequality . He worked day and night in superintending the works of defense , and in placing the troops in readiness for the expected assault . Philip and many of his officers were still in favor of an attack upon the city ; but Tesse as usual was opposed to anything like vigorous measures , and his views were adopted by a council of war . At one o'clock on the morning of the 11th of May the besiegers broke up their camp , and in great confusion made their way toward the French frontier , for Tesse preferred even the ignominy of falling back into France with his unsuccessful and dispirited army to retracing his steps toward Saragossa , where his devastations and cruelty had caused the whole population to rise in insurrection as soon as his army had passed into Catalonia . Besides which , he had received news that Peterborough had caused every pass and town on his way to the west to be fortified and held by the Miquelets . Philip accompanied the retreating army to Roussillon . The downfall of his hopes had been utter and complete .