{{Short description|German political organisation}} [[File:Berlin Hotel Kaiserhof.jpg|300px|thumb|Hotel Kaiserhof, Berlin]] The '''SeSiSo Club''' was a political and cultural discussion group in [[Berlin]] in the 1920s. Its members were of diverse political affiliations.<ref name="Bailey2013">{{cite book|author=Christian Bailey|title=Between Yesterday and Tomorrow: German Visions of Europe, 1926-1950|url=https://books.google.com/books?id=ZesiAQAAQBAJ&pg=PA31|date=30 October 2013|publisher=Berghahn Books|isbn=978-1-78238-140-2|pages=31–}}</ref> The club had no official existence; its name was derived from the surnames of its chairmen, [[Hans von Seeckt]], [[Walter Simons]], and [[Wilhelm Solf]].<ref>{{cite book |last1=Roeder |first1=Larry Winter |last2=Simard |first2=Albert|title=Diplomacy and Negotiation for Humanitarian NGOs |url=https://books.google.com/books?id=NYNDAAAAQBAJ&pg=PA388 |year=2013 |publisher=Springer |isbn=9781461471134 |page=388}}</ref>

The club's values were [[Age of Enlightenment|enlightenment]] and [[humanism]]. Meetings took place in the [[Hotel Kaiserhof (Berlin)|Hotel Kaiserhof]] with up to 400 participants, often members of the [[elite]], discussing the issues of the time. The first meeting was on 2 January 1922, and the club continued into the 1930s.<ref name="Hanna">[http://www.berlin.de/2013/en/portraits/selected-portraits/solf-hanna/ Berliner Themenjahr 2013: Solf, Hanna]</ref>

Guests included [[Harry Graf Kessler]], [[Otto Hoetzsch]], [[Richard von Coudenhove-Kalergi]], [[Sir Horace Rumbold, 9th Baronet|Sir Horace Rumbold]] (when he was British ambassador in Berlin), [[Ernst von Harnack]], [[Arthur Zarden]], [[Kurt von Hammerstein-Equord]], and [[Paul Wolff Metternich]].

Although the club had little political influence, during the time of [[National Socialism]], some of its members joined various resistance groups, including the [[Solf Circle]].<ref name="Hanna"></ref>

==Bethmann Dinner== On 29 November 1921, Seeckt, Simons, and Solf entertained [[Walther Rathenau]] and Kurt von Hammerstein-Equord to dinner in honour of Chancellor [[Theobald von Bethmann-Hollweg]], who had died on 1 January 1921, and whose birthday was on 29 November. The SeSiSo Club continued the tradition of a gala Bethmann Dinner every 29 November.

==References== Further references may be found in the [[:de:SeSiSo-Club|original article]] (in German). {{Reflist}}

[[Category:Culture in Berlin]] [[Category:Weimar culture]] [[Category:1922 establishments in Germany]] [[Category:Defunct clubs and societies]]