23 January - The Nazi Party gains its first minister as Wilhelm Frick becomes Minister of the Interior and Education in Thuringia as part of a right-wing coalition administration.[1]
^German Becomes the 10th Heavyweight To Capture Title
^Evelyn Richter: The “grande dame of photography” has died
^Whitney, Craig R.; Cowell, Alan (16 June 2017). "Helmut Kohl, Chancellor Who Reunited Germany, Dies at 87". The New York Times. Retrieved 16 June 2017.
^Hart, Sergiu (1995). Game and economic theory : selected contributions in honor of Robert J. Aumann. Ann Arbor: University of Michigan Press. p. 20. ISBN 9780472106738.
^Kelly Boyd (1999). Encyclopedia of Historians and Historical Writing. Taylor & Francis. p. 826. ISBN 978-1-884964-33-6.
^Burleigh, Michael (2012). The Third Reich: A New History. New York: Pan Macmillan. p. 120. ISBN 978-0330475501.
^Carr, Jonathan (2007). The Wagner clan. London: Faber. p. 155. ISBN 9780571260966.
^Biographie, Deutsche. "Leopold - Deutsche Biographie". www.deutsche-biographie.de (in German). Retrieved 2021-12-18.
^"H.G.A. Engler (1844 - 1930)". Royal Netherlands Academy of Arts and Sciences. Archived from the original on 29 July 2020.
^Chisholm, Hugh, ed. (1922). "Bernhardi, Friedrich von" . Encyclopædia Britannica (12th ed.). London & New York: The Encyclopædia Britannica Company.