nine o'clock in the morning
Thus his army of thirty-five thousand strong had been wrecked by the Prussian left wing , numbering fifteen thousand ; the rest of the Prussian forces , under Ziethen , keeping guard lest Daun and Lacy should come on to aid him . Daun , however , was miles away , intent upon catching Frederick ; and did not know until morning that his camp had been deserted , and Loudon beaten . As soon as he was assured of this , he poured his cavalry across the river , but Ziethen 's cannon drove them back again ; and he saw that , with Ziethen standing in order of battle , in a commanding position , with his guns sweeping the bridges , he could do nothing . Frederick remained four hours on the battlefield , collected five thousand muskets lying on the field and , with the six thousand prisoners , his wounded , and newly-captured cannon , marched away at nine o'clock in the morning . A Russian force of twenty-four thousand still blocked the way ; but , desirous above all things to effect a junction with Prince Henry , Frederick got rid of them , by sending a peasant with instructions to let himself be taken by the Russians . The slip of paper he carried contained the words : `` Austrians totally beaten this day . Now for the Russians , dear brother , and swift .