SEC Chronicle
| 4–6 May 2026 | The 10th SEC annual meeting in Bayreuth | |
| 2 March 2026 | The 50th SEC newsletter | |
| 16 February 2026 | The 2nd SEC member survey begins. | |
| 30 January 2026 | The transformation of the SEC into working groups is announced in a special newsletter. | |
| 13 January 2026 | The SEC online lectures begin in a new format (including a start-up presentation) | |
| 1 December 2025 | The 450th SEC member | |
| 4 November 2025 | The SEC board is constituted and co-opts Wolfgang Gerhartz and Franz Schütz | |
| 1 December 2025 | Presentation of the brochure "Equal opportunities experienced" in Munich | |
| 13 November 2025 | Symposium "Crop protection, yes — but how?" in Frankfurt | |
| 21 July 2025 | 15th SEC technology tour to Karlsruhe, to KIT Campus North | |
| 30 June 2025 | Lisa Pecher announces the results of the SEC board elections for 2026–2029 | |
| 17 June 2025 | The 50th SEC online lecture: Kurt Wagemann: Hydrogen | |
| 19 March 2025 | Information event for the SEC in nurseries at Rhine-Waal University of Applied Sciences | |
| 5 March 2025 | Eberhard Ehlers becomes SEC lecturer of the year 2025 | |
| 5 January 2025 | The SEC online lectures enter their fifth year | |
| 15 October 2024 | Barbara Pohl invites contributions on "Chemistry studies in the past" | |
| 1 October 2024 | SEC board co-opts Dr. Franz Schütz | |
| 23 September 2024 | 14th SEC technology tour to Duisburg to Thyssenkrupp | |
| 6 May 2024 | 9th SEC annual meeting in Magdeburg: Inspiration for sustainable development | |
| 6 May 2024 | 8th SEC General Assembly in Magdeburg | |
| 22 February 2024 | 13th SEC technology tour to Weinheim (Freudenberg GmbH) | |
| 23 October 2023 | The 400th SEC member | |
| 5 September 2023 | SEC at the GDCh Science Forum in Leipzig: Chemistry meets art and Rethinking History of Chemistry |
| 02.05.2018 | 5th General Assembly in Weimar | |
| 02.05.2018 | 7th annual meeting in Weimar. Weimar — Chemistry between Classicism and Modernity | |
| 07.09.2018 | 9th SEC technology tour to Köhler SE in Oberkirch | |
| 14.06.2019 | Election of the 4th SEC Executive Board (cut-off date) | |
| 17.09.2019 | 6th SEC-WiFo symposium in Aachen: Enjoying Aachen with all the senses | |
| 30.09.2019 | 10th SEC technology tour to Salzgitter AG in Salzgitter | |
| 30.10.2019 | Symposium “Energy transition – yes, but how?” in Frankfurt (Main) | |
| 16.06.2020 | 1st open letter from the SEC to the European Commission (Toxicity of glyphosate and glyphosate formulations) | |
| 19.01.2021 | Launch of the online lectures "Senior chemists share their knowledge" | |
| 11.03.2021 | The commemorative publication "The Senior Chemists" is published to mark the SEC's 15th anniversary | |
| 03.05.2021 | 6th General Assembly (online event) | |
| 31.08.2021 | SEC symposium "Munich 21 – No fun without chemistry" at the GDCh-WiFo in Munich (online event) | |
| 12.09.2021 | ||
| 02.05.2022 | 7th SEC General Assembly in Wernigerode (Harz) | |
| 02.05.2022 | 8th annual meeting in Wernigerode (Harz): Chemistry – versatile, exciting, indispensable | |
| 07.06.2022 | Election of the 5th SEC Executive Board (2023–2025) | |
| 03.11.2022 | 2nd symposium "Green genetic engineering, yes — but how?" |
| 06.05.2014 | 3rd General Assembly in Braunschweig | |
| 06.05.2014 | 5th SEC annual meeting in Braunschweig: High-tech and cutting-edge research in the heart of Germany | |
| 01.10.2014 | 6th SEC Technology Tour to GSI Helmholtz Association in | |
| 01.09.2015 | 4th SEC-WiFo Symposium in Dresden: August the Strong would also have been interested in this | |
| 14.11.2015 | 7th SEC Technology Tour to Leica in Wetzlar | |
| 18.05.2016 | 4th General Assembly in Münster (Westphalia) | |
| 06.06.2016 | Election of the 3rd SEC Executive Board (cut-off date) | |
| 12.09.2017 | 5th SEC-WiFo Symposium in Berlin: The fascination of chemistry – from comets to molecular machines | |
| 20.09.2017 | The first SEC lecturer are appointed | |
| 04.10.2017 | 8th SEC Technology Tour to DAW in Ober-Ramstadt | |
| 20.10.2017 | The word Section is replaced by Division in the GDCh |
| 03.06.2010 | 1st General Assembly in Bitterfeld-Wolfen | |
| 03.06.2010 | 3rd annual meeting in Bitterfeld-Wolfen: Like a phoenix from the ashes | |
| 03.08.2010 | The SEC Working Group becomes a section (later a "Division") of the GDCh | |
| 30.08.2010 | 3rd SEC Technology Tour to ESOC in Darmstadt | |
| 14.01.2011 | Election of the 1st SEC section board (cut-off date) | |
| 26.08.2011 | 4th SEC Technology Tour to Koziol in Erbach (Odenwald district) | |
| 04.09.2011 | The SEC website goes Online | |
| 06.09.2011 | 2nd SEC WiFo Symposium in Bremen: Chemistry creates the future: biographical and chemical perspectives | |
| 01.10.2011 | The first "For and Against" appears in Nachrichten aus der Chemie | |
| 09.05.2012 | 2nd General Assembly in Bad Dürkheim | |
| 09.05.2012 | 4th annual meeting in Bad Dürkheim:: The Rhine-Neckar metropolitan region as a centre of strength and innovation | |
| 05.06.2013 | Election of the 2nd SEC board (cut-off date) | |
| 03.09.2013 | 3rd SEC WiFo Symposium in Darmstadt: DA: Chemistry is in the air | |
| 14.11.2013 | 5th SEC Technology Tour to Merck KGaA in Darmstadt |
| 19.10.2006 | Launch event at Goethe University | |
| 03.11.2006 | 1st meeting of the public relations working group | |
| 16.11.2006 | 1st meeting of the SEC School/Education working group | |
| 22.11.2006 | 1st meeting of the Internet working group | |
| 01.12.2006 | 1st meeting of the International Relations working group | |
| 25.05.2007 | 1st SEC Technology Tour to Sanofi-Aventis in Frankfurt-Höchst | |
| 11.11.2007 | 1st annual meeting of the SEC in Hanau-Steinheim | |
| 03.12.2007 | 1st meeting of the interim Board of the SEC (working group Heads) | |
| 06.12.2007 | GDCh Board approves the establishment of the SEC working group | |
| 07.05.2009 | 2nd annual meeting in Hanau-Wolfgang: From Freddie Mercury to the Terracotta Army | |
| 16.06.2009 | 2nd SEC Technology Tour to BRAIN AG in Zwingenberg | |
| 02.09.2009 | 1st SEC WiFo symposium in Frankfurt (Main) | |
| 01.12.2009 | First SEC newsletter |