The town was strongly fortified by medieval walls, which have to some extent been demolished.
The town was built and fortified by Cosimo I.
Rhine, was strongly held by a series of fortified camps.
Restored to Prussia in 1816 it was again fortified, but in 1862 the fortifications were converted into a public park.
The first army, with which was the Emperor, occupied the fortified camp at Drissa; the second army was retreating, trying to effect a junction with the first one from which it was said to be cut off by large French forces.