We find only two instances in the Seven Years' War, in which Frederick attempted attacks by several columns at considerable distances from each other; and in both these instances (at Torgau and at Namiest, against Laudon, during the siege of Olmutz) he was unsuccessful.

His usual mode was to bring his columns near together as he approached the enemy, and to form his troops into line at the moment of attack.

Such was his order of march at Prague, Kollin, Rosbach, Leuthen, Zornsdorf, and Kunersdorf.

The following is one of Frederick's orders respecting marches, (October 2d, 1760.) "The army will, as usual, march in three columns by lines.

The first column will consist of the first line; the second, of the second line; and the third, of the reserve.