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60-412: Poznań is a city with about half a million inhabitants, with slightly over a million in the entire metropolitan area. Most of the city's office buildings are located in the center, while most light industry is located uptown or in the suburbs around the city. Hence most trips by public transport are to and from the center. The first Poznań public transport company started its business activity in 1880, with

120-509: A Nazi concentration camp , where up to 20,000 Poles died. Between 1940 and 1945, Fort Grolman and Fort Rauch formed the nucleus of the Stalag XXI-D PoW camp. In the later part of the war Poznań was declared one of the stronghold cities ( Festungen ) which the Nazis intended to defend at all costs, and so the name Festung Posen was revived. The outer forts were used to defend the city during

180-654: A committee of officers headed by Rauch, and then supplemented by Rauch himself (it was due to Rauch that Grolman's proposed additional line in front of the main defences was excluded from the plans). The king gave his final approval on 14 August 1828, ordering Hake to begin construction with the Winiary fort and the weirs on the Warta and on the Wierzbak ( Wierzbach ) stream. On 14 March 1828 Captain Moritz von Prittwitz und Gaffron , who had been

240-512: A decree of 15 May 1913 ordered the construction of new forts to create a wider ring, but this never occurred. However over a hundred shelters of various types were built around existing forts. The main forts in the outer ring are as follows: The following are the intermediate forts: The inner ring of fortifications was now redundant militarily, and hampered the city's development. Mayor Richard Witting , coming to office in 1891, tried to have it liquidated. The army demanded 18 million marks from

300-427: A decree of 23 January 1900. Festung Posen was again placed in the highest category, this time of "large fortresses". It needed to be strengthened following the removal of the inner ring on the left bank. New shelters were built in the southern and eastern sections, ten for infantry, three for artillery and three for ammunition. Other modernization work also took place, completed around 1907. With rising political tensions,

360-482: A decree on 5 November 1871 ordering the commission to prepare plans for necessary changes to fortifications in the united Germany . A further decree of 24 June 1872 reduced the number of fortress cities to 49. Festung Posen was among 17 strongholds which were to be modernized so as to be able to withstand a siege. Preparations for new building had begun in 1869, resulting in two preliminary plans. One provided for 11 main forts and 8 intermediate forts ( Zwischenwerk ) at

420-582: A few horse-pulled trams. At that time, the town had about 70,000 inhabitants, and was not growing due to building restrictions imposed by the Prussian military administration creating Festung Posen ("Poznań Stronghold"), see Poznań in the Kingdom of Prussia (1793–1918) . Soon after the company was established, the construction limitations were lifted, and the town grew very fast to about 200,000 inhabitants in 1920s. By that time there were some early ideas of creating

480-422: A fourth one was added, reaching the limits of the lines capacity with trams run every 2.5 minutes at peak times. As the line has not been fitted with a train protection system , smaller intervals are not allowed for safety reasons. The trams suffered from vandalism and from a lack of security. These problems, however, diminished when surveillance cameras were installed. The project has had a very positive impact on

540-499: A high demand for transportation. However, these districts were poorly served by public transport: it took up to 45 minutes by bus to travel to the city center. A corridor was left for the construction of a tram line. Original plans envisioned a 27 kilometer line completely separate from the existing tram network, conceptually similar to the WKD light rail line in Warsaw . The line was to run from

600-413: A member of Rauch's committee, was appointed chief of construction of Festung Posen . In May, he and five subordinate officers began marking out the outline of the first fortifications – the defensive barracks of the Winiary fort (later the reduit ). Building began on 23 June 1828 (the fort would be completed in 1839). Fortification also soon began north of Poznań Cathedral and in the south-western part of

660-421: A monument). The outer forts were generally left unchanged (apart from the undoing of certain work carried out during the war) and continued to form the basis for the city's defence plans. However they were not kept battle-ready, and some were left unattended, where they were used by locals for storage or even housing (which was tolerated by the military). In the late 1920s and early 1930s the city negotiated with

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720-473: A new director, Reichel (replaced by Lange in the 1850s). Bastions III and V were first to be built. Work was interrupted in 1848 due to the Greater Poland Uprising and " Spring of Nations ". Later Bastions IV, VI, II and I were constructed, and in 1860–1861 connecting roads were built, as well as a number of brick blockhouses . This completed the ring ( enceinte ) around the left-bank city. Each of

780-512: A radius of 6–7 km, the other for 6 main and 3 intermediate forts at a radius of 3 km. Decrees of 24 June 1872 and 29 May 1873 laid down plans for fortifications in the Empire and permitted the confiscation of land for that purpose. A preliminary plan was completed on 1 June 1873, containing 8 main forts and 3 intermediate forts. This was presented to the Commission by a decree of 31 March 1874;

840-509: A ring of diameter 9.5 km at regular intervals of 3–4 km, forming a defensive line about 30 kilometres (19 mi) long, located 2.0–4.5 km from the inner ring. Gaps in the ring at the Bogdanka and Warta valleys were filled with intermediate forts (Forts IVa and IXa in the Warta valley, and VIa between the Bogdanka and Wierzbak). The easternmost Fort III, quite distant from the others,

900-410: A segregated line that would link the center with one of the northern districts. Neither technology nor the budget allowed for a construction of such a tram line, and metro, would have been too ambitious and unnecessary, so the plans were shelved. In the 1960s and 1970s, Poland's communist government built blocks of flats in the north and east of the city. This created a high population density and thus

960-692: A seven-span defensive bridge. In 1832–1837 the Kleine Schleuse on the Wierzbak was built. The Dom Schleuse weir on the east side of Ostrów Tumski was built in 1834–1838, with the Dom Flesche lunette to the north. On 1 October 1834 Festung Posen was classified as a "Fortress Second Class", and completed parts of the fortifications were armed. Around 1837–1838 the Magazin Cavalier and Ziegel Flesche were built south of Fort Winiary. Work also proceeded on

1020-509: The Battle of Poznań (1945) , and Fort Winiary was the defenders' last point of resistance, the reduit incurring significant damage. After the war the site of Fort Winiary was converted into the Cytadela park. 52°25′19″N 16°56′07″E  /  52.4219°N 16.9352°E  / 52.4219; 16.9352 Rataje, Pozna%C5%84 Rataje [raˈtajɛ] is a large residential area in

1080-532: The Mycielskis , Va General Ludwik Mierosławski , VI Kazimierz Mielęcki , VIa General Ludwik Bogusławski , VII Florian Dąbrowski , VIIa General Zygmunt Zieliński , VIII General Kazimierz Grudzielski , VIIIa General Michał Sokolnicki , IX Edmund Taczanowski , IXa General Wincenty Axamitowski ). These names did not come into wide use. During the World War II Nazi occupation , Fort VII gained notoriety as

1140-616: The Red Army 's advance in the closing phases of the Second World War , to refer to Poznań's status as one of the "strongholds" ( Festungen ) which were to be defended at all costs. It fell in the Battle of Poznań (1945) , with Fort Winiary the last point of resistance. Poznań ( Posen ) came under Prussian rule with the Second Partition of Poland in 1793. Its medieval city walls were obsolete by that time, and were mostly taken down in

1200-456: The "continuous intrigues and plotting" on the part of the Poles. A preliminary plan sketched by Grolman on 9 July 1817 provided for fortification of Winiary Hill north of the city, as well as the area of St. Kazimierz's Church in Śródka to the east. Army engineers added to these plans a weir on the river Warta ( Warthe ), which would enable the river to be used as part of the defences. Building

1260-619: The Commission completed its work on the plan on 7 April 1874, and it was approved by the War Ministry in a decree of 17 November 1874. The final plans were approved 24 February 1876, providing for 9 main forts (designed by Hans Alexis von Biehler ) and 3 intermediate ones. An act of the Reichstag of 30 May 1873 allocated over 7 million thalers for the project (the fifth largest amount granted for fort modernization). French prisoners-of-war were also used as free labour. The main forts were built in

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1320-667: The Engineering Committee of the Chief Inspectorate of Forts to consider, in the 1860s, the possibility of modernization. It was decided to build an outer ring of artillery forts, spaced at 2–6 km, and 6 km from the existing inner ring. Following work by the Landes-Verteidigungs-Kommission and a report from Field Marshal von Moltke concerning the Franco-Prussian War , King Wilhelm issued

1380-612: The Union of Fighting Youth"), os. Orła Białego was Osiedle Związku Młodzieży Polskiej ("Estate of the Union of Polish Youth "), and os. Polan was Osiedle Związku Młodzieży Socjalistycznej ("Estate of the Union of Socialist Youth"). These three Unions were successive communist youth organizations in Poland. The estates were built under the auspices of the Osiedle Młodych housing cooperative , which

1440-507: The Warsaw road near Fort IIIa, as well as two new shooting ranges near Forts IIIa and VII. At the same time all main forts and the three oldest intermediate forts underwent modernization. The work required an increase in the size of the Poznań garrison, which led to the building of a barracks complex in the area of today's Bukowska and Grunwaldzka streets. A further change in concept was laid down in

1500-519: The authority to convert an existing line into a faster one. Festung Posen Poznań Fortress , known in German as Festung Posen (Polish: Twierdza Poznań ) was a set of fortifications in the city of Poznań (German: Posen ) in western Poland , built under Prussian rule in the 19th and early 20th centuries. It represents the third largest system of its kind in Europe. The first set of fortifications

1560-417: The city in compensation for the land, finally reduced to 12 million (the city's total budget in 1898 was 3.77 million marks). The amount was eventually paid to the army by the central government, which became the owner of the land. Demolition was confirmed by a decree of Emperor Wilhelm II dated 3 September 1902. The names which had been given to elements of the inner fortifications were transferred to forts in

1620-482: The communities it serves, making them more attractive for investors, and stopping depopulation. Some institutions and companies served by the tram, listed by station, include: (those marked by a plus (+) have moved in the general area after the opening of the line): In 2011 work began on a previously cut 2 kilometer long extension of the line to the Poznań Główny railway station in the city center, sandwiched between

1680-454: The demolition of Forts Prittwitz and Rauch. A central order of 20 June 1920 forbade the continuation of such work without consultation. Names of elements of the fortifications were changed or replaced with existing Polish equivalents, while the outer forts returned to their numbering as pre-1902. On 27 January 1921 unemployed demobilized soldiers were assigned to continue demolition of Reduta św. Rocha and Reduta Reformatów, aiming to leave only

1740-405: The development of trams into metro-style, heavier vehicles. It was therefore important for the Poznań administration to find out on their own how successful the program would be. As the program had proved successful, another new tram line started in early 2005, connecting the city center with eastern district of Rataje . It is not truly a fast tram, but the success of the first program has prompted

1800-609: The early 19th century to facilitate the city's growth. The Prussian authorities first made plans to build new fortifications in December 1815. The city lay on the shortest route from the border with Congress Poland (and hence with the Russian Empire ) to Berlin , and was also an important point on the route from West Prussia to Silesia ; therefore, according to General Karl von Grolman , its fortification would show that Prussia had no intention of giving up those lands, and would defeat

1860-454: The eastern part of the city of Poznań in western Poland. It contains a number of housing estates , consisting mainly of prefabricated concrete panel blocks, housing a total of approximately 90,000 people (about one sixth of the city's total population). The former village of Rataje was situated close to the right bank of the river Warta , and was incorporated into the city of Poznań in 1925. The area today referred to as Rataje also includes

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1920-459: The fall of communism . Construction resumed in 1993, and the entire project was ready by the end of 1996. The line opened on February 1, 1997. Travel times between the northern districts and the center decreased from about 40 minutes to some 10–15 minutes. This, combined with limited and paid parking space in the center, contributed to the huge success of the line, with overcrowding at peak times. The tracks originally served three routes, in 1999,

1980-400: The former villages of Chartowo and Żegrze, brought within the city boundaries during the time of Nazi occupation in the early 1940s. The area was within the city's former Nowe Miasto district (1954–1990); in the current administrative division of Poznań it is divided into three osiedles called Rataje , Chartowo and Żegrze . (This use of the word "osiedle" should not be confused with

2040-503: The fort sites (with stones marked F.G. for Festungs-Grenze ). Work then began with the forts on the Berlin road, to make up for the weakening of the inner ring caused by the new railway station. Next the southern and eastern forts were built. The northern Forts V and VI, were built last, and were modified by the addition of a second embankment. Each fort took about four years to build, the last (Fort V) being completed in 1886. The circular road

2100-434: The fortifications were also strengthened. Ritter Thor was built in 1881–1882 to improve access to the city's new rail station. By the 1890s the outer ring of forts had been built around the perimeter of the city, and much of the inner ring began to be demolished (see below). However the main forts remained in use. In 1910 reinforcement work took place at Fort Winiary, Fort Steinäcker and Cavalier Aster . The following were

2160-576: The forts. The forts were generally taken over by Polish forces by negotiation, sometimes preceded by exchange of fire or brief combat. The new Polish authorities continued the demolition of the inner fortifications. In 1919 demolition began of the Great Lock and Cathedral Lock, and in 1920 that of the Fort Rauch embankments and the fortifications leading to the Bydgoszcz Gate, and preparations were made for

2220-402: The introduction of new types of armaments and ammunition, and the building of railway and tram lines. In 1869–1872 the north-eastern fortifications were rebuilt to allow the building of a railway to Toruń (Thorn). Powder stores were built and strengthened; in 1873–1874 the embankments around powder stores were widened. In 1875–1877 wooden bridges were mostly replaced with steel, and the gates in

2280-463: The island, and Dom Lünette in the north-west. Around 1862 the moat of Dom Redoute was completed. In 1864 the Poznań Fortress was declared completed and reclassified as a fortress "of the first class". King Wilhelm I issued a decree renaming many of the elements of the fortifications in honour of Prussian generals. Later alterations to the central ring of fortifications mainly resulted from

2340-475: The land formerly occupied by the fortifications. Demolition of the left-bank inner fortifications ended in 1912. There remained only the redoubt of Bastion III Grolman and a blockhouse at Bastion IV Colomb. Fort Winiary, and the fortifications of Ostrów Tumski and the right bank, also remained. In the Wielkopolska Uprising (1918–1919) the German forces largely stayed in their barracks or took refuge in

2400-600: The main defensive line. Work was carried out by the 5th Pioneers Division, re-stationed from Glogau ( Głogów ). Following the Polish November Uprising against Russia in 1830, the unfinished fortifications were manned temporarily for defensive purposes. In 1829–1832 the Große Schleuse weir was built on the Warta. In October 1832 the main stream of the Warta was moved westwards, the former stream being closed off with an overfall weir ( Große Überfall ), connected to

2460-542: The main elements of the ring of fortifications on the left bank of the Warta (listed in anti-clockwise order): The following were the main elements of the fortifications on the right bank of the Warta: The following were the main elements of the fortifications on Ostrów Tumski (the cathedral island): Gates had to be built to allow access into and out of the area enclosed by the ring of fortifications. The following four gates, in

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2520-417: The main railway station in the city center to Winogrady , Piątków , Morasko and the village of Owińska outside the city limits, with several branches. Ultimately however the project was limited to only a 6 kilometer line in the northern part of the city, joining the existing network in the city center. The construction work commenced in 1975, progressed very slowly, finally stalling at 60% in 1990, after

2580-641: The military to have building restrictions around the outer forts lifted, which was done, although a proposal to transfer the forts to the city for civil defence, and move the military line of defence further out (as the Germans had previously planned), was rejected. In 1931 a committee renamed the outer forts in honour of Polish patrons, mostly military (I Krzysztof Żegocki , Ia General Krzysztof Arciszewski , II Aleksander Kraszewski , IIa Kazimierz Więckowski , III General Józef Niemojewski , IIIa General Józef Sułkowski , IV Henryk Dembiński , IVa Augustyn Brzeżański , V

2640-409: The more common one denoting a housing estate.) Building of the new estates began in the late 1960s, the first block being completed in 1967. The main estates are as follows: Some of the estates were renamed after the fall of communism : os. Armii Krajowej was originally called Osiedle Manifestu Lipcowego (" July Manifesto Estate"), os. Stare Żegrze was Osiedle Związku Walki Młodych ("Estate of

2700-401: The new outer ring, although some of the forts received new names. Even before the official decision some demolition work had begun, including the replacement of Cemetery Gate by a blockhouse by the new railway in 1889–1894. Under the next mayor, Ernst Wilms , in 1903 a Royal Commission was set up to oversee the development of the city, under Joseph Stübben . Efforts were made to put in order

2760-488: The northerly parts of the fortifications, were built in the 1830s: The following other gates were built in later periods: The Siege of Sevastopol (1854–1855) and that of Dybbøl during the Danish War of 1864 showed the concept of a tight ring of fortifications to be outdated, as it could be broken relatively easily by modern artillery. The ring was also weakened by the need for railway lines to pass through it. This led

2820-580: The preexisting tram line running in the city streets and railway tracks. The extension was opened in 2013 with its own turning loop , which allows for operating longer trams sets that could partially alleviate congestion. Similar fast tram networks exist in other parts of the world — namely in Vienna , Amsterdam , and Brussels — while several other cities, beginning with Karlsruhe , have used mainline railway tracks to expand their tram networks. However, those cities are much larger and have gone further towards

2880-448: The right bank, where there were to be two forts connected by embankments. The northern embankment, containing Bydgoszcz Gate, was completed in 1839. On 16 March 1839 the king ordered a renewal of work on the fortifications, which had been suspended. Brese produced working plans on 1 February 1840, and the king approved an annual budget of 300,000 thalers . Work began again in March 1840, under

2940-651: The six bastions had a large caponier shielded by embankments connected to the cavaliers . There was also a separate caponier on Grobla (Graben) island, beyond the Graben Schleuse weir. Work also continued on the right bank, with the Reformaten Fort completed in 1842, and the Warsaw Gate in 1845, as well as the Cybina Cavalier , Cybina Schleuse , Cybina Flesche , and Fort Rochus (and adjacent embankments) to

3000-472: The south. The section containing the Kalisz Gate was last to be built. Around 1850 it was decided to make an independent fortress on Ostrów Tumski. Canals were built east and west of the island, partly for flood prevention ( Vorfluth Canal I and II), completed by 1864. Defences were built in the second half of the 1850s: Dom Redoute at the southern end of the island, embankments on the east and west sides of

3060-556: The stone foundations of the slopes, prepared for possible re-use. In July 1921 demolition began of the Cathedral Fort and the embankments of Reduta Rusa. Finally on 30 January 1923 the military authorities agreed to the general demolition of the inner fortifications, which mostly took place between 1924 and 1927. Fort Winiary survived, as did the gunneries at Reduta Marcinkowskiego (formerly Sw. Rocha), Reduta Radziwiłła and Reduta Reformatów, as well as Reduta Czecha, and Kalisz Gate (left as

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3120-476: Was a tight defensive ring around central Poznań, including the main citadel called Fort Winiary (now the Cytadela park). Construction of these fortifications began in 1828. Later, beginning in 1876, an outer defensive ring was built around the perimeter of the city, consisting chiefly of a series of "forts", which mostly still survive. The term Festung Posen was also used by the Nazi German occupiers during

3180-400: Was completed in the same period. New missiles using nitrocellulose , introduced in 1883, were shown in tests at Kummersdorf to be effective against standard fortifications. A still stronger explosive material – melinite – was introduced in 1886 by France and 1888 by Germany. As a consequence, the commission worked from 1885 to 1887 on strengthening the Prussian fort system. The conclusion

3240-457: Was formed, with alternating main and intermediate forts, spaced at around 2 km. Between Forts VIa and VII was a permanent battery ( Bogdanka ), of a similar size to the intermediate forts. The ring was reinforced by 43 shelters for infantry, ammunition and artillery, mostly in the north between Forts IV and VIII. South of Fort III a weir was built on the Cybina. A peacetime powder store was built on

3300-503: Was founded in 1958 (its name means "young people's estate"). Today the cooperative has around 40,000 members, and continues to administer most of the buildings and estate infrastructure. The Lake Malta recreational area, and the neighbouring Malta shopping and entertainment complex, are situated just north of Rataje. At the south-eastern corner of the Rataje estates, in the Franowo neighbourhood,

3360-520: Was instructed to prepare a detailed plan. The result, dated 23 March 1828, included the large fort on Winiary Hill, fortifications on the cathedral island ( Ostrów Tumski ) and the right bank, and the core defensive line surrounding the left-bank city. The plan was approved by General Gustav von Rauch (chief inspector of forts), and then presented by General Karl von Hake to King Frederick William III , who approved it in principle, asking Rauch to make some improvements. These were agreed on 18 June 1828 by

3420-407: Was one of the 17 fort systems "of the highest importance" designated for modernization. A decree of 13 May 1887 had already provided for expansion of the fortified areas around Poznań, Metz and Strasbourg , and work in Poznań began the same year. Over a few years the intermediate forts Ia, IIa, IIIa, Va, VIIa and VIIIa were built, completed in 1896 according to official records. Thus a regular ring

3480-427: Was planned to begin in 1817, but initially no funds were available for the work (due to the costs of fortifying Cologne and Koblenz ). Planning continued, however: in 1823 Grolman proposed a line of defences surrounding the left-bank (main) portion of the city, with additional fortifications 500–1000 metres in front of the main line. In 1827, Johann von Brese , then working in the War Ministry's engineering section,

3540-415: Was reinforced by three permanent artillery batteries. All the forts were to be connected by a road network, based on a circular road a few hundred metres behind the forts, and radial roads leading to the inner ring. Large shooting ranges were built at Komandoria and Główna in the north-east of the city, and two training grounds at Górczyn and Karolin. Work began in 1876, with the marking of the boundaries of

3600-437: Was that the artillery had to be more distributed rather than being concentrated in forts, and the forts themselves were to be defended from attack from all sides, serving as strong points of infantry resistance, largely using machine guns . The role of linear fortifications was reduced to a minimum. A decree of 10 December 1888 ordered a review of the fortification system, leading to a decree of 9 May 1889, in which Festung Posen

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