The C4 corpus is a joined effort of the project Digitales Wörterbuch der deutschen Sprache (DWDS), the Austrian Academy Corpus (AAC), the Korpus Südtirol and the Schweizer Textkorpus (CHTK). The Corpus is composed of corpora of all four partner institutions.
Corpus of the weekly Die Zeit from 1946 - present day (complete runs from 1996). Over 100 million words in 200,000 articles. Updated daily. Part of DWDS project.