See also Index | Events.
1796
1796
Initial publication of the Conversations-Lexicon
1800
19th century
Thirteen editions of Brockhaus published in 19th century
1808
1808
Purchase of publishing rights by Brockhaus
1812
Easter 1812
2nd edition of Brockhaus published
1880
1880
First publication of Duden Wörterbuch
1894
1894
14th edition of the Brockhaus Enzyklopädies published
1902
1902
Duden confirmed as standard for spelling
1914
Mid 1914 – Late 1918
World War I
1918
1918 – 1933
Weimar Republic
1934
1934 – 1935
15th edition of the Brockhaus Enzyklopädie published
1951
1951
First East-German Duden edition published
1955
1955
Duden reconfirmed as standard for spelling
1966
1966
Name “Brockhaus Enzyklopädie” established
1991
August 1991
“Einheitsduden” published
1996
1996
German spelling reform
2005
2005 – 2006
21st edition of the Brockhaus Enzyklopädie published
2011
02.05.2011
Duden online launched
2014
2014
Print version of Brockhaus discontinued
2015
2015
Brockhaus Enzyklopädie published online
2018
09.11.2018
Official launch of Compendium heroicum
2020
September 2020
Online Compendium on German-Greek Entaglements (ComDeG) launched
October 2020
Biographical online lexicon “Eiserner Vorhang” is published
2021
22.02.2021
OES Demo encyclopedia, an exemplary OES application, launched
2022
24.02.2022
Release OES 2.0
November 2022
Germersheimer Übersetzerlexicon UeLEX relaunched
December 2022
Compendium heroicum available in English
2023
26.01.2023
Key Concept Online is launched
24.04.2023
Release OES 2.2
December 2023
DATA AFFAIRS launched
2024
05.02.2024
Release OES 2.3.0
06.03.2024
“Online Encyclopaedia of the Nazi Genocide of the Sinti and Roma in Europe” launched