1684 : Jean Dietrich purchased the Jaegerthal forge.

 

1761 : Jean Dietrich, his grandson, was knighted by Louis XV. He became the biggest landowner in Alsace by purchasing seignories and built an industrial empire by acquiring or constructing forges and blast furnaces.

1778 : King Louis XVI granted Jean de Dietrich the exclusive use of a trade mark (an insignia in the shape of a hunting horn) to protect his production from imitation. That very same symbol of quality remains the logo of the De Dietrich Group to this day.

1792 : Philippe-Frédéric de Dietrich, his son, became the first constitutional mayor of Strasbourg and ordered Captain Rouget de Lisle to write a patriotic song : the "Marseillaise" was born.

 

1804 : After the turmoil caused by the French Revolution, Napoleon Bonaparte helped the de Dietrich family to rebuild an independent family business.

1848 : Throughout the industrial revolution de Dietrich progressively eliminated the production of cast and merchant iron and transformed his forges into construction workshops for railroad and mechanical products.

1870 : When Germany annexed Alsace, the de Dietrich family decided not to emigrate. The company was thus obliged to diversify manufacturing to adapt to the German market. The company began to manufacture consumer goods - stoves, kitchen ranges, wooden furniture and enamelled cast-iron goods such as bathtubs together with urban or industrial equipment including trams, distilling devices, special railcars, etc.

1896 : De Dietrich made a brief incursion into the automobile industry, producing a car designed by Amédée Bollée. Ettore Bugatti was hired in 1902.

 

 

 

 

 

 

1905 : De Dietrich stopped manufacturing automobiles in order to devote itself, progressively, to mechanical construction, railway products, equipment for the budding chemical industry, individual heating and central heating equipment, and subsequently household appliances and turnouts.

1992: De Dietrich acquires a controlling interest in the Cogifer group (Cogifer + Cogifer TF), specialists in fixed railway installations, and sells a controlling interest in its household appliance business to Thomson Electroménager (subsequently purchased by ELFI, which also owns Moulinex).

1995: De Dietrich sells a controlling interest in its railway rolling stock business (its Reichshoffen plant) to Alstom.

 

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2000: After acquiring Rosenmund-Guedu and QVF, De Dietrich renames its chemical equipment division "De Dietrich Process Systems".
Société Industrielle du Hanau (SIH) makes a highly successful friendly takeover bid for De Dietrich.

2001: In July 2001, after having been listed for 50 years, De Dietrich is delisted and continues the development of its activities.

2002: In September 2002, De Dietrich gives up the control of its subsidiaries Cogifer and Cogifer TF, specialized in points and track installations, to the German industrial group Vossloh.
In December, 2002, SIH absorbs De Dietrich & Cie and resumes the name "De Dietrich".

2004: In July 2004, De Dietrich sells its 100% shares in De Dietrich Heating to Remeha, a dutch manufacturer of heating equipment. The new group De Dietrich Remeha becomes one of the leaders of the European heating industry, with particular strengths in condensing boilers and sustainable energies.                                                  In December 2004 a new holding, Financière Jaegerthal, fully controlled  by the De Dietrich family, takes over 100 % of  the De Dietrich company, reduced to De Dietrich Process Systems.