Bussche, with his small body of 4000 Hanoverians, the first column, had the task of “holding” the apex of the French wedge when the attack should begin. That is, it was his task to do no more with his inferior forces than send one portion up the road towards Courtrai, so that the advanced French troops there should be engaged while another part of his small command should attack the little town of Mouscron, which the French held, of course, for it was within their wedge of occupation. It was obviously not hoped that this little body could do more than keep the French occupied, prevent their falling back towards Lille, and perhaps make them believe that the main attack was coming from Bussche’s men.

The second column, under Otto, was to advance upon Tourcoing, in those days a little town, now a great manufacturing city.

The third column, that under the Duke of York, was to march side by side with Otto’s column, and to make for Mouveaux, a village upon a level with Tourcoing upon this line of advance, and to be reached by marching through Roubaix (now also a great manufacturing town, but then a small place).

None of these advances, Bussche’s, Otto’s, or York’s, was of any considerable length. The longest march through which any of these three columns had to fight its way was that of the Duke of York from Templeuve to Mouveaux, and even this was not eight miles.

The fourth column, under Kinsky, had a harder task and a longer march. It was to carry Bouvines, which was in the hands of the French and nearly seven miles from Froidmont (Kinsky’s point of departure), and when it had done this it was to turn to the north with one part of its force in order to shelter the march of the Duke of York from attacks by the French troops near Lille, while another part of its force was to join with the fifth column and march up with it until both came upon a level with York and Otto in the neighbourhood of Tourcoing and Mouveaux.

Now it was to this fifth column, the 16,000 men or more under the Arch-Duke Charles, that the great work of the day was assigned. From Pont-à-Marcq they must attack a great French body quite equal to their own in numbers, even when part of Kinsky’s force had joined them, which French force lay in the camp at Sainghin. They must thrust this force back towards Lille, pour up northward, and arrive in support of Otto and York by the time these two commanders were respectively at Tourcoing and Mouveaux.

In other words, the fifth column, that of the Arch-Duke Charles, was asked to make an advance of nearly fourteen miles, involving heavy fighting in its first part, and yet to synchronise with columns who had to advance no more than five miles or seven.

Supposing all went well, Clerfayt—crossing the Lys at Wervicq at the same hour which saw the departure of the five southern columns from Warcoing, Bailleul, Templeuve, Froidmont, and Pont-à-Marcq respectively, was to advance southward from the river towards Mouveaux and Tourcoing, a distance of some seven miles, while the others were advancing on the same points from the south.

If the time-table were accurately kept and this great combined movement all fitted in, Clerfayt would join hands with the second, third, fourth, and fifth columns somewhere in the neighbourhood of Tourcoing and Mouveaux, a great force of over 60,000 men would lie between the French troops at Lille and Souham’s 40,000 in the “advanced wedge,” and those 40,000 thus isolated were, in a military sense, destroyed.

Such being the mechanism or map of the scheme, we must next inquire the exact dates and hours upon which the working of the whole was planned.