ONE:Frankfort is on the west side of the Oder. The Russian army was encamped on the eastern side of the river. The force collected there consisted of about seventy-eight thousand Russians and eighteen thousand Austrians. Frederick had, by great exertions, gathered fifty thousand troops to attack them. He was approaching Frankfort from the southwest. In a secret midnight march he crossed the river by bridges of boats some miles north of the city, near Cüstrin. At four oclock in the morning of the 11th of August his troops had all accomplished the passage482 of the stream, and, to the surprise of the Russians, were marching down upon them from the north.
