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Last Updated:
2024-10-31 02:09:55

Siemens

German multinational technology conglomerate
Siemens
Siemens
German multinational technology conglomerate

Siemens AG, founded in 1847, is a global leader in automation, digitalization, infrastructure, rail transport, and health technology. With around 320,000 employees, it reported a revenue of €78 billion in 2023. Siemens is a key player in industrial automation and software, and a component of the DAX and Euro Stoxx 50 indices.

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1847-10-01
Telegraphen Bau-Anstalt von Siemens & Halske founded in Berlin
Telegraphen Bau-Anstalt von Siemens & Halske founded in Berlin

Siemens & Halske was founded by Werner von Siemens and Johann Georg Halske on 1 October 1847. They later played a significant role in the development of the telegraph industry.

1848
Building the first long-distance telegraph line in Europe

Siemens & Halske built the first long-distance telegraph line in Europe, spanning 500 km from Berlin to Frankfurt am Main.

1855
Siemens branch opened in St Petersburg, Russia

In 1855, a company branch headed by Carl Heinrich von Siemens opened in St Petersburg, Russia. This expansion marked Siemens' growing presence in the international market.

1866
Discovery of Dynamo-Electric Principle by Werner von Siemens

In 1866, Werner von Siemens discovered the dynamo-electric principle, leading to the development of a dynamo that would later be mass-produced by 1875.

1867
Indo-European telegraph line completed

Siemens completed the Indo-European telegraph line, stretching over 11,000 km from London to Calcutta.

1875
Siemens laid the first transatlantic cable

In 1875, Siemens laid the first transatlantic cable, connecting Ireland and the United States. This technological achievement revolutionized communication across continents.

1881
Siemens powered world's first electric street lighting

In 1881, Siemens used an AC Alternator driven by a watermill to power the world's first electric street lighting in Godalming, United Kingdom. This marked a significant advancement in electric power technology.

1887
Siemens opens first office in Japan

Siemens expanded its operations by opening its first office in Japan.

1890
Siemens & Halske employs 6,500 people

In 1890, Siemens & Halske had 6,500 employees, establishing itself as a major player in the field of electrical engineering.

1892
Siemens & Halske build power station in Bavaria

In 1892, Siemens & Halske built a power station at Erding in Bavaria and established an American subsidiary in Chicago. This marked further expansion and innovation for the company.

1895
Siemens & Halske builds South Africa’s first power plant

In 1895, Siemens & Halske constructed South Africa’s inaugural power plant, utilizing cutting-edge generators that were among the largest at the time.

1897
Siemens & Halske becomes a stock corporation

By 1897, Siemens & Halske transitioned into a stock corporation, marking a significant milestone in its corporate structure.

1903
Siemens & Halske merges with Elektrizitäts-Aktiengesellschaft vorm. Schuckert & Co.

In 1903, Siemens & Halske merged with the major Nuremberg-based power plant builder Elektrizitäts-Aktiengesellschaft vorm. Schuckert & Co., forming the Siemens-Schuckertwerke GmbH division. This merger led to the company's involvement in the high-voltage system market.

1905
Siemens & Halske establishes a central laboratory

Around 1905, Siemens & Halske established a central laboratory, which was built around 1916. This laboratory played a significant role in the company's research and development activities.

1914
Siemens & Halske consolidates manufacturing operations in Siemensstadt

In 1914, Siemens & Halske centralized its manufacturing operations in a Berlin suburb known as Siemensstadt, establishing a hub for its industrial activities.

1919
Siemens re-emerges as a leading electrical engineering company after World War I

Despite significant losses in capital and subsidiaries during and after World War I, Siemens managed to re-establish itself as one of the world's top electrical engineering companies by 1919.

1920
Formation of OSRAM

Siemens acquires shares of Deutsche Gasglühlicht AG to establish OSRAM, entering the incandescent lamp industry.

1924
Agreement with Westinghouse

Siemens-Schuckertwerke and Westinghouse initiate a partnership through a patent and knowhow exchange agreement.

1927
First Benson Boiler Plant

Siemens launches the first commercial Benson boiler plant at the Gartenfeld cable plant in Berlin.

1929
Siemens-Schuckertwerke electrifies the Irish Free State

In 1929, Siemens-Schuckertwerke completed the electrification of the Irish Free State, with the main power source being the Siemens-built Ardnacrusha hydroelectric power plant.

1930
Siemens introduces fluid circuit breaker

In 1930, Siemens introduced a fluid circuit breaker that utilized water as the arc quenching medium.

1931
Siemens-Schuckertwerke starts Kraftwerk West plant

In 1931, Siemens-Schuckertwerke initiated the 228-MW Kraftwerk West plant, marking its first power project at the Siemensstadt site in Berlin.

1932
Formation of Siemens-Reiniger-Werke AG

In 1932, Siemens bundled its majority stake in Reiniger, Gebbert & Schall, which it had acquired in 1924, to create Siemens-Reiniger-Werke AG.

1945
End of World War II

World War II ended, and Siemens faced repercussions for its involvement in forced labor and exploitation during the war.

1949
Siemens Headquarters City Change

In 1949, Munich becomes the headquarters city for Siemens & Halske and Erlangen becomes the headquarters for Siemens Schuckertwerke.

1953
Siemens patents technique for ultra-pure silicon

In 1953, Siemens developed and patented a technique for producing ultra-pure silicon for semiconductor applications, which had a significant impact on the field of electrical engineering.

1956
San Nicolás power plant starts operation in Argentina

In 1956, the 300-MW San Nicolás power plant became operational in Argentina, representing Siemens' reentry into the global market post World War II.

1957
Siemens rolls out VM3 gas turbine

In 1957, Siemens introduced the VM3 gas turbine with a recuperator, marking a milestone in the company's advancements in gas turbine technology.

1958
Siemens introduces SIMATIC control system

In 1958, Siemens introduced SIMATIC, the first transistorized control system, which marked a significant advancement in automation technology.

1959
Siemens receives first order for VM80 gas turbine

In 1959, Siemens received its first order for the construction of a gas turbine, the VM80. This marked the beginning of Siemens' venture into gas turbine technology.

1961
Commercial operation of Siemens VM80 gas turbine

The Siemens VM80 gas turbine, for which the company received its first order in 1959, began commercial operation in 1961. This marked a milestone in Siemens' gas turbine technology development.

1964
Siemens introduces 220-kV SF6 high-voltage circuit breaker

In 1964, Siemens introduced a 220-kV SF6 high-voltage circuit breaker, showcasing the company's advancements in high-voltage technology. This innovation played a significant role in the electrical industry.

1966
Formation of Siemens AG

Siemens & Halske AG, Siemens Schuckertwerke AG, and Siemens-Reiniger-Werke AG are merged to establish Siemens AG due to increased capital needs in semiconductor and computer technology sectors.

1969
Siemens Corporate Restructuring

In 1969, Siemens refocused its corporate structure to adapt to the increasing globalization of markets and technological advancements.

1974
Siemens builds Stade nuclear plant

In 1974, research conducted at a small reactor in Munich enabled Siemens to construct its inaugural nuclear plant, the 660-MW Stade nuclear plant.

1975
Siemens initiates first thyristor-operated HVDC transmission system

In 1975, Siemens pioneered the world's first thyristor-operated long-distance HVDC transmission system, connecting the Cabora Bassa power plant in Mozambique with the Republic of South Africa.

1976
Siemens launches Unit A at Biblis nuclear plant

Two years after the research in Munich, Siemens inaugurated the 1.2-GW Unit A at the Biblis nuclear plant.

1977
Joint Venture with Advanced Micro Devices (AMD)

In 1977, Siemens entered a joint venture with AMD, purchasing 20% of AMD's stock to enhance technology expertise and enter the American market.

1980
Siemens' Successful Debut in Digitalizing Telephone Technology

In 1980, Siemens, known for its focus on microelectronics since the 1960s, achieved success in digitalizing telephone technology.

1983
Siemens participates in GROWIAN wind turbine trial run

In 1983, Siemens supplied the generator for GROWIAN, a significant wind turbine project that initiated its trial run, highlighting the company's involvement in renewable energy initiatives.

1984
Launch of Siemens' MEGA Project for Chip Development

In 1984, Siemens initiated the MEGA project aimed at advancing the development of chips.

1985
Acquisition of Allis-Chalmers' Interest

Siemens bought Allis-Chalmers' interest in Siemens-Allis in 1985, incorporating it into Siemens's Energy and Automation division.

1987
Reintegration of Kraftwerk Union

In 1987, Siemens reintegrated Kraftwerk Union, the unit overseeing nuclear power business.

1988
Acquisition of Plessey with GEC

In 1988, Siemens and GEC acquired the UK defense and technology company Plessey, with Siemens taking over avionics, radar, and traffic control businesses.

1989
Siemens Restructures into 15 New Units

In 1989, Siemens underwent restructuring due to its inefficiency, dividing its eight units into 15 new, more streamlined units, two operating groups, and two independent divisions, including power generation, power transmission and distribution, and industrial and building systems.

1990
Publication on Siemens 1918–1945 and the Nazi camp system

In 1990, a publication was made on Siemens' history from 1918 to 1945, specifically addressing its involvement in the Nazi camp system.

1991
Acquisition of Nixdorf Computer

In 1991, Siemens acquired Nixdorf Computer and renamed it Siemens Nixdorf Informationssysteme to produce personal computers.

1992
Acquisition of ROLM from IBM

Siemens bought out IBM's half of ROLM in 1992, creating SiemensROLM Communications.

1993
Siemens hands over Rye House combined cycle power plant in England

In 1993, Siemens completed the handover of the 704-MW Rye House combined cycle power plant in England, which was considered a successful project showcasing emerging power generating technology.

1996
Karl-Heinz Roth publishes 'Forced labor in the Siemens Group (1938-1945): Facts, controversies, problems'

In 1996, Karl-Heinz Roth published a work focusing on forced labor in the Siemens Group during the years 1938-1945, addressing various facts, controversies, and problems related to the topic.

1997
Siemens acquires Westinghouse's fossil-fueled power plant business

In 1997, Siemens acquired the fossil-fueled power plant business of the US company Westinghouse, expanding its presence in the power generation sector.

1998
Siemens acquires Westinghouse’s gas turbine business

In 1998, Siemens made a significant move by acquiring Westinghouse's gas turbine business, expanding its presence and capabilities in the power generation sector.

1999
Spin-off of Semiconductor Operations

In 1999, Siemens spun off its semiconductor operations into a new company called Infineon Technologies.

2000
Siemens' first 501FD gas turbine development

In 2000, Siemens developed its first 501FD gas turbine in Orlando.

2001
Siemens restructures nuclear activities with Framatome

In 2001, Siemens restructured its reactor-making arm and combined its nuclear activities with French company Framatome, leading to the formation of AREVA NP.

2002
Sale of Business Activities to Kohlberg Kravis Roberts & Co.

In 2002, Siemens sold some of its business activities to KKR, including its metering business.

2003-02-11
Siemens Xelibri Phone Line Launch

Siemens planned to introduce annual Xelibri phone lines with new devices launched as seasonal collections.

2003-03-06
Siemens Office Opening in San Jose

Siemens established an office in San Jose on this date.

2003-03-07
Siemens Expansion Plans in Mainland China

Siemens announced its goal to capture 10% of the mainland China handset market.

2003-03-18
Siemens Xelibri Fashion Phone Launch

Siemens unveiled the latest Xelibri fashion phone model.

2004
Siemens acquires Bonus Energy A/S

In 2004, Siemens acquired Bonus Energy A/S, a wind energy company founded in Denmark in 1980, with an existing installed base of 3.3 GW in 20 countries.

2005
Siemens Worldwide Bribery Scandal Begins

Siemens became involved in a global bribery scandal starting in 2005, leading to legal investigations and settlements.

2006
Siemens faces compliance investigation and executive shakeup

In 2006, Siemens is involved in a compliance investigation that results in €1.2 billion in penalties and leads to significant changes in its executive team.

2007-01-01
Siemens fined by the European Commission for price fixing

In January 2007, Siemens was fined €396 million by the European Commission for participating in a cartel that fixed prices in EU electricity markets. The commission found that Siemens played a leading role in this illegal activity.

2008-07
Formation of Unify joint venture with the Gores Group

In July 2008, Siemens formed a joint venture with the Gores Group to create Unify, a company focused on enterprise communications. The Gores Group held a majority stake in the venture.

2008-08
Siemens Project Ventures invests in Arava Power Company

In August 2008, Siemens Project Ventures invested $15 million in the Arava Power Company, furthering Siemens' commitment to green and sustainable technologies. Siemens acquired a 40% stake in the company.

2009-04
Fujitsu Siemens Computers becomes Fujitsu Technology Solutions

In April 2009, Fujitsu bought out Siemens's share of the company, leading to the rebranding of Fujitsu Siemens Computers as Fujitsu Technology Solutions.

2009-10
Siemens acquires Solel Solar Systems

In October 2009, Siemens signed a $418 million contract to acquire Solel Solar Systems, an Israeli company specializing in solar thermal power. This acquisition aimed to strengthen Siemens' presence in the renewable energy sector.

2010-12
Siemens sells IT Solutions and Services subsidiary to Atos

In December 2010, Siemens agreed to sell its IT Solutions and Services subsidiary to Atos for €850 million. As part of the deal, Siemens took a 15% stake in Atos and entered into a seven-year outsourcing contract with the company.

2011-03
Decision to list Osram on the stock market

In March 2011, it was decided to list Osram, a subsidiary of Siemens, on the stock market. CEO Peter Löscher expressed Siemens' intention to retain a long-term interest in Osram despite its independence.

2011-09
Siemens exits nuclear sector

In September 2011, Siemens announced its decision to exit the nuclear sector after constructing all of Germany's existing nuclear power plants, in response to the Fukushima disaster and changes in German energy policy.

2012-11
Siemens acquires Rail division of Invensys

In November 2012, Siemens acquired the Rail division of Invensys for £1.7 billion, expanding its presence in the rail industry.

2013-08
Siemens wins power plant components order from Saudi Aramco

In August 2013, Siemens secured a $966.8 million order for power plant components from Saudi Aramco, marking its largest bid from the Saudi company.

2014-05
Rolls-Royce sells gas turbine business to Siemens

In May 2014, Rolls-Royce agreed to sell its gas turbine and compressor energy business to Siemens for £1 billion.

2014-06
Siemens and Mitsubishi form joint ventures for Alstom bid

In June 2014, Siemens and Mitsubishi Heavy Industries announced joint ventures to bid for Alstom's energy and transportation businesses, competing against General Electric.

2016-11
Siemens acquires EDA company Mentor Graphics

In November 2016, Siemens acquired EDA company Mentor Graphics for $4.5 billion.

2017-11
Siemens acquires Fast Track Diagnostics

In December 2017, Siemens acquired the medical technology company Fast Track Diagnostics.

2018-05
Siemens acquires J2 Innovations

In May 2018, Siemens acquired J2 Innovations.

2018-08
Siemens acquires Mendix

In August 2018, Siemens acquired rapid application development company Mendix for €0.6 billion in cash.

2019-05
Siemens AG announces spin off of energy units

In May 2019, Siemens AG announced its decision to spin off its energy units in order to focus on its digital core. This move surprised many in the power sector, as Siemens has been a major player in the industry since 1866.

2019-09
Siemens signs agreement with Iraqi government

In September 2019, Siemens and Orascom Construction signed an agreement with the Iraqi government to rebuild two power plants, paving the way for future deals in the country.

2020-01
Siemens acquires C&S Electric

In January 2020, Siemens signed an agreement to acquire 99% equity share capital of Indian switchgear manufacturer C&S Electric.

2020-04
Siemens Energy becomes independent company

In April 2020, Siemens Energy was created as an independent company out of the energy division of Siemens.

2020-08
Siemens Healthineers plans to acquire Varian Medical Systems

In August 2020, Siemens Healthineers AG announced plans to acquire U.S. cancer device and software company Varian Medical Systems.

2021-02
Roland Busch replaces Joe Kaeser as CEO

In February 2021, Roland Busch replaced Joe Kaeser as CEO of Siemens.

2021-10
Siemens acquires Wattsense

In October 2021, Siemens acquired the building IoT software and hardware company Wattsense.

2022-05
Siemens ceases operations in Russia

In May 2022, Siemens decided to cease its operations in Russia due to the ongoing war of aggression against Ukraine, affecting approximately 3,000 employees.

2022-07
Siemens acquires ZONA Technology

In July 2022, Siemens acquired aerospace simulation firm ZONA Technology.

2022-10
Siemens partners with Volta Trucks

In October 2022, Siemens announced a strategic partnership with Swedish electric commercial vehicle manufacturer Volta Trucks to deliver eMobility charging infrastructure.

2023-06
Siemens announces global investment plan

In June 2023, Siemens announced a €2 billion global investment plan to expand manufacturing capacity, with specific commitments in Singapore and China.

2023-08
Siemens acquires Heliox

In August 2023, Siemens signed an agreement to acquire eBus and eTruck charging technology company Heliox.

2024-03
Siemens announces digital engineering facility in UK

In March 2024, Siemens announced the creation of a new digital engineering facility in Wiltshire, UK, to replace its existing rail infrastructure factory in Chippenham.

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