1929: Dr. Paul Rahn establishes his first business school in Berlin.

1990: The Business Academy Dr. P. Rahn & Partner GmbH starts in Leipzig. Due to the increasing demand within the following years, more academies are founded in Saxony, Saxony-Anhalt, Thuringia and Brandenburg.

1993: Dr. P. Rahn & Partner Schulen in freier Trägerschaft, gemeinnützige Schulgesellschaft mbH - our non-profit organisation – is established. The first vocational school is situated in Leipzig. Rahn Dittrich Group starts up with international activities

1990-2004: 19 Schools and Business Academies are established in Germany,  Poland, Hungary, Egypt and South Africa

2006: To extend the business acitivities of Rahn Dittrich Group in Germany, Educado Service Ltd. is founded offering various services around education and training.
Primary schools in Leipzig and Fürstenwalde start with K-classes (daycare).

2007: "Kindertagesstätte Musikus", the first daycare facility of Rahn Dittrich Group, opens in Leipzig.