Area changes in the Ruhr area
The overview of the area changes in the Ruhr area contains the most important administrative area changes that were carried out in the Ruhr area from 1871 until today . The area of the recorded area changes corresponds to the current extent of the Ruhr area.
Changes to the district boundaries
| date | Activities) |
|---|---|
| 02/28/1873 | Spin-off of the city of Essen from the Essen district |
| 01/24/1874 | Outsourcing of the city of Duisburg from the district of Duisburg |
| 02/15/1875 | Outsourcing of the city of Dortmund from the Dortmund district |
| 05/24/1876 | Spin-off of the city of Bochum from the Bochum district |
| 07/01/1885 | New formation of the districts of Gelsenkirchen and Hattingen from communities of the district of Bochum |
| 04/01/1887 | Outsourcing of the city of Hagen from the district of Hagen |
| 04/01/1887 | New formation of the Hörde district from municipalities in the Dortmund district |
| 07/01/1887 | New formation of the Ruhrort district from communities in the Mülheim a./Ruhr district |
| 04/01/1887 | New formation of the Schwelm district from communities in the Hagen district |
| 04/01/1897 | Spin-off of the city of Gelsenkirchen from the Gelsenkirchen district |
| 04/01/1899 | Spin-off of the city of Witten from the Bochum district |
| 04/01/1901 | Spin-off of the city of Hamm from the Hamm district |
| 04/01/1901 | Outsourcing of the city of Oberhausen from the Mülheim a./Ruhr district |
| 04/01/1901 | Outsourcing of the city of Recklinghausen from the Recklinghausen district |
| 01/01/1904 | Spin- off of the city of Mülheim a./Ruhr from the Mülheim a./Ruhr district |
| 04/01/1910 | Dissolution of the district of Mülheim a./Ruhr |
| 04/01/1911 | Spin-off of the city of Hörde from the district of Hörde |
| 05/01/1911 | The city of Hamborn is outsourced from the Dinslaken district |
| 02/01/1912 | Outsourcing of the city of Buer from the Recklinghausen district |
| 07/01/1917 | Outsourcing of the city of Sterkrade from the Dinslaken district |
| 01/01/1921 | Spin-off of the cities of Bottrop and Gladbeck from the Recklinghausen district |
| 01/01/1922 | Outsourcing of the city of Osterfeld from the Recklinghausen district |
| 04/01/1926 | First reorganization of the Westphalian part of the Ruhr area |
| 04/01/1928 | Second reorganization of the Westphalian part of the Ruhr area |
| 08/01/1929 | Third reorganization of the Westphalian and reorganization of the Rhenish part of the Ruhr area |
| 01/01/1975 | Restructuring of the Ruhr area , Lower Rhine and Münster / Hamm areas |
| December 06, 1975 | Cancellation of the Bottrop restructuring measure |
| 07/01/1976 | Reorganization corrections in the city of Bottrop |
Number of urban districts / urban districts and districts / rural districts
| date | City districts independent cities Change |
Circles counties change |
City districts number of independent cities |
Circles counties Number |
|---|---|---|---|---|
| 01/01/1871 | 0 | 8th | ||
| 02/08/1873 | + 1 | 0 | 1 | 8th |
| 01/24/1874 | + 1 | 0 | 2 | 8th |
| 02/15/1875 | + 1 | 0 | 3 | 8th |
| 05/24/1876 | + 1 | 0 | 4th | 8th |
| 07/01/1885 | 0 | + 2 | 4th | 10 |
| 04/01/1887 | + 1 | + 2 | 5 | 12 |
| 07/01/1887 | 0 | + 1 | 5 | 13 |
| 04/01/1897 | + 1 | 0 | 6th | 13 |
| 04/01/1899 | + 1 | 0 | 7th | 13 |
| 04/01/1901 | + 3 | 0 | 10 | 13 |
| 01/01/1904 | + 1 | 0 | 11 | 13 |
| 04/01/1910 | 0 | - 1 | 11 | 12 |
| 04/01/1911 | + 1 | 0 | 12 | 12 |
| 05/01/1911 | + 1 | 0 | 13 | 12 |
| 02/01/1912 | + 1 | 0 | 14th | 12 |
| 07/01/1917 | + 1 | 0 | 15th | 12 |
| 01/01/1921 | + 2 | 0 | 17th | 12 |
| 01/01/1922 | + 1 | 0 | 18th | 12 |
| 04/01/1926 | + 2 | - 1 | 20th | 11 |
| 04/01/1928 | 0 | - 1 | 20th | 10 |
| 08/01/1929 | - 1 | - 5th | 19th | 5 |
| 01/01/1975 | - 9 | - 1 | 10 | 4th |
| December 06, 1975 | + 1 | 0 | 11 | 4th |
| 07/01/1976 | - 1 | 0 | 10 | 4th |
Renaming of urban and rural districts
| date | Activities) |
|---|---|
| 01/24/1874 | Renaming of the district of Duisburg (without the city of Duisburg ) in the district of Mülheim a./Ruhr |
| 04/01/1909 | Renaming the circle Ruhr place in district Dinslaken |
| circa 1915 | Renaming of the city of Mülheim a./Ruhr in Mülheim ad Ruhr |
| 1920 | Renaming of the Mörs district to the Moers district |
| May 21, 1930 | Renaming of the city of Gelsenkirchen-Buer to Gelsenkirchen |
| 10/17/1930 | Renaming of the district Hamm in the district of Unna |
| 04/01/1935 | Renaming of the city of Duisburg-Hamborn to Duisburg |
| 03/27/1991 | Renaming of the city of Mülheim ad Ruhr to Mülheim an der Ruhr |
Important changes to the municipality boundaries
The changes in the urban districts or urban districts are not taken into account.
| date | Activities) |
|---|---|
| 01/01/1907 | Formation of the new community Homberg , which was named town in 1921 |
| 1910 | Formation of the municipality of Repelen-Baerl , which was renamed Rheinkamp in 1950 |
| 1921 | Formation of the community Linden-Dahlhausen |
| 1922 | Formation of the new municipalities Löhnen and Voerde , which merged in 1950 to form the municipality of Voerde (Niederrhein) , which was named a town in 1981 |
| 11/22/1922 | Formation of the community of Derne (initially with the name Altenderne-Oberbecker ) |
| 04/06/1923 | Formation of the community of Rheinhausen , which was made a city in 1934 |
| 04/01/1926 | Formation of the town of Castrop-Rauxel |
| 04/01/1926 | Formation of the new Herbede parish , which was named a town in 1951 |
| 04/01/1926 | Formation of the municipality of Oer-Erkenschwick , which was named a town in 1953 |
| 04.1928 | Formation of the Neukirchen-Vluyn community , which was named a town in 1981 |
| 04/01/1934 | Formation of the municipality of Camp-Lintfort , the name of which was changed to Kamp-Lintfort shortly afterwards and which was named a town in 1981 |
| 07/01/1934 | Formation of the Rumeln-Kaldenhausen community , which was called Rumeln until 1950 |
| 04/01/1949 | Formation of the city of Ennepetal |
| 04/01/1951 | Formation of the Altenbögge-Bönen community |
| 09/01/1960 | Formation of the Sprockhövel community |
| 01/01/1966 | Formation of the new Bergkamen municipality , which was named town in the same year |
| 01/01/1967 | Formation of the new Methler community |
| 01/01/1968 | Reorganization of the communities in the district of Unna |
| 07/01/1969 | Reorganization of municipalities in the district of Moers |
| 01/01/1970 | Reorganization of the municipalities of the Ennepe-Ruhr district and adjacent areas |
Overviews
The cities and districts are arranged in alphabetical order.
List of urban districts / urban districts
Cities still existing today are highlighted in color.
- A: Dissolution
- N: neoplasm
Simple name changes and the renaming and renaming of the cities of Duisburg and Gelsenkirchen as well as the brief dissolution of the city of Gladbeck in 1975 are not taken into account here.
List of counties / districts
Circles that still exist today are highlighted in color.
- A: Dissolution
- N: neoplasm
- NE: Change of name
Simple name changes are not taken into account here.