The siege of Saint-Denis (Late August – 4 October 1435) was the last instance of cooperation between the English and their Burgundian allies in the Hundred Years' War. Saint-Denis, the traditional burial place of the kings of France, was located in the outskirts of English-held Paris, and had been captured by the French a couple of months earlier. The enemy presence there critically endangered the English position in the capital, and, aiming to retake it urgently, the English moved onto the town in August with a handful of Burgundian auxiliaries. The siege was undertaken during the peace congress of Arras, during which no end to the fighting was seen, as both sides struggled to gain ground around and over Paris. The English were victorious at St. Denis after the French garrison surrendered