Milestones of business development
1847
Founding of the "Telegraphen-Bauanstalt von Siemens & Halske" in Berlin
1852
Siemens & Halske (S&H) moves into a factory with potential for expansion in Berlin’s Markgrafenstraße
1873
Sigmund Schuckert founds a workshop for the construction of electrical machines and searchlights
1877
E.M. Reiniger founds a workshop for electrical medical equipment in Erlangen (renamed Reiniger, Gebbert & Schall in 1886)
1884
A six-kilometer streetcar line between Frankfurt-Sachsenhausen and Offenbach built by S&H goes into operation
1890
S&H opens its first sales subsidiary (Technical Bureau). Prior to this it operated on the basis of agreements with agents
1890–1898
Technical Bureaus are established in numerous German cities: Cologne, Düsseldorf (1890), Mannheim, Dresden, Hanover (1891), Frankfurt (1892), Essen (1894), Stuttgart (1895) Dortmund, Leipzig (1897) and Hamburg (1898)
1899
The Westend cable plant, the first building of the future Siemensstadt, is constructed on the factory site on the Nonnendamm northwest of Berlin
1901
The Wuppertal elevated railway with electrical equipment by Elektrizitäts-AG, formerly Schuckert & Co. goes into operation
1903
Founding of the Siemens-Schuckertwerke (SSW)
1906
The Physics and Chemistry Laboratory, the first central research laboratory, is set up on the site of the future Siemensstadt
1910
The Ettershaus recreation home is opened in Bad Harzburg for Siemens employees
1911
S&H and AEG found the Hamburger Hochbahn AG
1914
The new factory site on the Nonnendamm is officially named "Siemensstadt"
1921
Completion of the Rhineland telephone cable from Berlin to Cologne (under construction since 1912)
1927
SSW acquires Thyssen’s steam turbine factory in Mülheim/Ruhr
1927
Acquisition of Isaria-Zählerwerke AG (factory for electricity meters) in Hofmannstraße, Munich; in the following year the plant switches to telecommunications products
1930
Establishment of the Central Office of Technical Bureaus in Berlin
1931
Berlin’s Kraftwerk West goes into operation
1932
Founding of Siemens-Reiniger-Werke AG (SRW) in Erlangen, specializing in electro-medical equipment
1943
The Siemens factories are also damaged in the massive air raids in Germany, necessitating the relocation of many production sites, especially those in Berlin
1945
Decentralization and relocation of further parts of the company management to southern and western Germany; dismantling of Siemens’ plants in Berlin; loss of the eastern and central German plant
1949
Relocation of S&H's headquarters to Munich, of SSW's to Erlangen, with secondary headquarters retained in Berlin in each case
1950
Manufacture commences in the newly constructed installation equipment factory in Regensburg
1955–1958
Merger of the organization of the Regional Offices and Technical Bureaus of S&H and SSW
1951
Transfer of the manufacture of railway signal systems from Bruchsal to Braunschweig
1965
Completion of the Erlangen research center
1966
Merger of Siemens & Halske, Siemens-Schuckertwerke and Siemens-Reiniger-Werke to form Siemens AG with headquarters in Munich and Berlin
1969/70
At the turn of the year, with 50 factories in Germany Siemens has more production locations than any other German company
1972
Use of Siemens technology at the Olympic Games in Munich
1972–1984
Establishment of the manufacturing and research location München-Perlach
1975
The most up-to-date lighting plant in Europe is built in Traunreut (Upper Bavaria)
1981
The Essen und Dortmund Regional Offices are merged to form the Ruhr Regional Office; in 1984 this is honored for particular achievements in the area of training
1990
Siemens constructs the Elektronikwerk Amberg, its own production facility for programmable logic controllers
1990–1992
Takeover of businesses and founding of sales companies in the former German Democratic Republic
1994
Inauguration of the computer tomography plant in Forchheim
1997
Opening of the Siemens Wegberg Wildenrath Test Center for rail transportation systems in North Rhine-Westphalia
2004
New regional organization in Germany: sales and service units, which previously came under the Groups, are bundled in the Regional Organization Germany (RD)
2007
Siemenswerk Berlin celebrates completion of the largest gas turbine in the world
2008
The investigating authorities in Germany and the U.S. conclude the legal proceedings connected with the bribery allegations against Siemens; the company engages Dr. Theo Waigel, former German Minister of Finance, as its "compliance monitor"
2010
Siemens unveils world’s first molecular whole-body integrated MR research system; the first Biograph mMR system is installed at the University Hospital "Klinikum rechts der Isar" in Munich
2011
The new Siemens Wind Power Division headquartered in Hamburg starts operation
2012
Siemens wins the German Industry Innovation Prize in the “major enterprise” category for its highly-efficient H-class gas turbine
2012
Siemens wins order for the turnkey construction of the Lausward combined cycle power plant with district heat extraction in Düsseldorf, one of the most efficient and ecofriendly facilities in the world
2013
Siemens presents a three-point plan and an optimized energy mix for the energy transition in Germany
2013
Completion of HelWin1 offshore platform in the North Sea
