In November 1997, Matthias Ettrich and Matthias Kalle Dalheimer registered KDE e.V. as association in Tübingen under German law, and became president and vice president.
1997年11月，Matthias Ettrich和Matthias Kalle Dalheimer在圖賓根根據德國法律註冊KDE e.V.為協會，並成為主席和副主席。