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Jan Křen (22 August 1930 – 7 April 2020) was a Czech historian, academic, and dissident. He was born in Prague. During Czechoslovakia's communist era he became a political dissident. His works focused in the study of Czech-German relations. He was one of the signers of Charter 77. In 1989, Křen founded the Institute of International Studies at Charles University.
- Willoughby, Ian (2020-04-08). "Historian Jan Křen dies at 89 after contracting coronavirus". Radio Prague. Archived from the original on 2020-04-09. https://web.archive.org/web/20200409222157/https://www.radio.cz/en/section/news/historian-jan-kren-dies-at-89-after-contracting-coronavirus. Retrieved 2020-04-10.
- "Zemřel historik Jan Křen. S nemocí covid-19 se léčil v Nemocnici Na Bulovce" (in cs). iROZHLAS. 2020-04-07. Archived from the original on 2020-04-07. https://web.archive.org/web/20200407210307/https://www.irozhlas.cz/veda-technologie/veda/jan-kren-zemrel-historik_2004071856_cen. Retrieved 2020-04-10.
- "Zemřel historik Jan Křen, zaměřoval se na česko-německé vztahy" (in cs). Denik. 2020-04-07. Archived from the original on 2020-04-09. https://web.archive.org/web/20200409235835/https://www.denik.cz/z_domova/zemrel-historik-jan-kren-20200407.html. Retrieved 2020-04-10.