 Complete the following phrase:  Resuming its pursuit of the Prussian army, Nansoutys division was at Potsdam beginning on 25 October, and two days later they participated to the triumphant parade of the Grande Armée in Berlin, before being reviewed by the Emperor on 30 October. Beginning on 7 November, Nansouty and his division were with Murat, heading for the river Vistula, which they crossed on 22 December with the rest of the cavalry reserve. After a brief and successful cavalry action at the Lapazin bridge, they tried to get to the 