On 4 June was fought the Battle of Hohenfriedberg or Striegau, the greatest victory as yet of Frederick's career, and, of all his battles, excelled perhaps by Leuthen and Rossbach only.
The Battle of Roucoux (or Raucourt) near Liège, fought on 11 October between the allies under Prince Charles of Lorraine and the French under Saxe, resulted in a victory for the latter.
On 11 February a most confused battle was fought, in which the van and centre of the British fleet was engaged with the rear and centre of the allies.
In 1710 he succeeded to the command of the whole Prussian contingent at the front, and in 1712, at the particular desire of the crown prince, Frederick William, who had served with him as a volunteer, he was made a general field marshal.
The "Old Dessauer" was one of the sternest disciplinarians in an age of stern discipline, and the technical training of the infantry, under his hand, made them superior to all others in the proportion of five to three (see War of the Austrian Succession).
He was essentially an infantry soldier; in his time artillery did not decide battles, but he suffered the cavalry service, in which he felt little interest, to be comparatively neglected, with results which appeared at Mollwitz.