Charles, was Austrian and had reached a place a day's march south of Tournay called St. Amand. Over against the Allies lay a large French force also occupying a wide front of over fifteen miles, the centre of which was Tourcoing, then a village. Its right was in front of the fortress of Courtrai. Now, behind the French, up country northward in the opposite direction from the line of the Allies on the Scheldt was another force of the Allies under Clerfayt. The plan was that the Allied right should advance on to Mouscron and take it. The Allied centre should advance on to Tourcoing and Mouveaux and take them, while the left should march across the upper waters of the river Marque, forcing the bridges that crossed that marshy stream, and come up alongside the centre. In other words, there was to be an attack all along the French line from the south, and while it was proceeding, Clerfayt, from the north of the French, was to cross the Lys and attack also.
On the day of the 17th what happened was this: The left of the Allies, marching from St. Amand, came up half a day late; the right of the Allies took Mouscron, but were beaten out of it by the French. The centre of the Allies fulfilled their programme, reaching Tourcoing and its neighbourhood by noon and holding their positions. It is to the honour of English arms that this success was accomplished by a force a third of which was British and the most notable bayonet work in which was done by the Guards. Meanwhile,