City moat in Wroclaw
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The city moat in Wroclaw ( Polish: Fosa Miejska ) is a remnant of the former complex fortress system of Wroclaw , which was largely based on natural and artificial water flows from the Oder and its tributary Ohle . The sections of the moat that exist today , which lie along the street Am Stadtgraben , belonged to the outer fortification ring that enclosed the city from the south.
The inner and outer moats were built in the 13th century. The outer city moat used to run north on the middle section than it does now, the St. John's Church for Corpus Christi was outside the wall, on a kind of peninsula. The moat was accompanied by a wall with defensive towers that were converted into bastions in early modern times . In the 17th century the wall was replaced by earthwork systems with bastions built on a geometrical floor plan, and the course of the moat was also changed.
After the conquest of Wroclaw by the Rhine Confederation Army under Hieronymus Bonaparte , the demolition of the fortifications was ordered, which took place from 1807 to 1810. Several sections of the trenches were gradually filled in. The inner city moat was completely drained around 1869. Nowadays the so-called East-West Street runs on its place . However, larger parts of the outer ditch have been preserved. Several branches of the Oder were also leveled on the right bank of the Oder. Among other things, the cathedral island was connected to the mainland at the time , so that it is no longer a real island today. There are two remains of the fortification trenches on the right bank - a pond in the Botanical Garden and one on Bolesław Prus Street (formerly Am Lehmdamm ). In the 1870s and 1880s, another section of the outer city moat was drained, which is present as a depression in today's Juliusz Słowacki Park and Społeczny Square. A green area was set up in the place of the fortifications. Remains of two of the bastions still exist in the form of the Partisan Height (formerly Liebichshöhe ) and the Polish Height (formerly Holteihöhe ).
Breslau around 1660: below and to the left the outer moat with bastions , inside the city the inner moat
Piotr Skarga Bridge
Kładka Sądowa (Court Walkway)
Oder flood 1997 :
situation shortly after the backwater drained from the city center; left the flooded moat
