| 05.09.2023 | SEC at the GDCh Science Forum in Leipzig: Chemistry meets artand Rethinking History of Chemistry | |
| 23.10.2023 | The 400th SEC member | |
| 22 February 2024 | 13. SEC-Technology Tour to Weinheim (Freudenberg GmbH) | |
| 06.05.2024 | 8. SEC members' meeting in Magdeburg | |
| 06 May 2024 | 9. SEC Annual Meeting in Magdeburg: Impulses for sustainable development | |
| 23.09.2024 | 14th SEC-Technology Tour to Duisburg to Thyssenkrupp | |
| 01.10.2024 | SEC Executive Board co-opts Dr Franz Schütz | |
| 15.10.2024 | Barbara Pohl invites contributions from "Chemiestudium damals" on | |
| 05 01.2025 | The SEC online lectures start their 5th year | |
| 05.03.2025 | Eberhard Ehlers becomes SEC Lecturer of the year 2025 | |
| 19.03 2025 | Info event for the SEC in KiTas at Hochschule-Rheim-Waal | |
| 30.06.2025 | Lisa Pecher announces the results of the SEC Board elections for 2026-2029 | |
| 21 07.2025 | 15th SEC-Technology Tour to Karlsruhe to KIT Campus Nord | |
| 13.11.2025 | Symposium "Plant protection, yes - but how?" in Frankfurt | |
| 01.12.2025 | Presentation of the brochure "Chemiestudium damals" in Munich |
| 02.05.2018 | 5th General Meeting in Weimar | |
| 02.05.2018 | 7th annual meeting in Weimar. Weimar - Chemie zwischen Klassik und Moderne | |
| 07.09.2018 | 9th SEC Technology Tour to Köhler SE in Oberkirch | |
| 14.06.2019 | Election of the 4th SEC Board of Directors (deadline) | |
| 17 September 2019 | 6. SEC-WiFo-Symposium in Aachen: Enjoy Aachen with all your senses | |
| 30.09.2019 | 10th SEC Technology Tour to Salzgitter AG in Salzgitter | |
| 30.10.2019 | Symposium "Energiewende - ja aber wie?" in Frankfurt (Main) | |
| 16.06.2020 | 1st open letter from the SEC to the EU Commission (toxicity of glyphosate and glyphosate formulations) | |
| 19.01.2021 | Start of online lectures"Senior chemists share their knowledge" | |
| 11.03.2021 | The commemorative publication "Die Seniorchemiker" is published for the 15th anniversary of the SEC | |
| 03.05.2021 | 6th General Assembly (online event) | |
| 31.08.2021 | SEC Symposium "München 21 - Keine Gaudi ohne Chemie" at the GDCh-WiFo in Munich (online event) | |
| 12.09.2021 | ||
| 02.05.2022 | 7. SEC general meeting in Wernigerode (Harz) | |
| 02 May 2022 | 8th annual meeting in Wernigerode. Annual meeting in Wernigerode (Harz): Chemistry - versatile, exciting, indispensable | |
| 07.06.2022 | Election of the 5th SEC Board (2023-2025) | |
| 03.11.2022 | 2nd symposium "Green genetic engineering, yes - but how?" |
| 06.05.2014 | 3rd members' meeting in Braunschweig | ||
| 06.05.2014 | 5th annual meeting in Braunschweig: High-tech and cutting-edge research in the heart of Germany | ||
| 01.10.2014 | 6th SEC Technology Tour to the GSI Helmholtz Societyin | ||
| 01.09.2015 | 4. SEC-WiFo-Symposium in Dresden: This would also have interested Augustus the Strong | ||
| 14 November 2015 | 7. SEC-Technology-Tour to Leica in Wetzlar | ||
| 18.05.2016 | 4. General Assembly in Münster (Westphalia) | ||
| 06/06/2016 | Election of the 3rd Executive Board of the SEC (key date) | . Board of the SEC (deadline) | |
| 12 September 2017 | 5. SEC-WiFo-Symposium in Berlin: The fascination of chemistry - from comets to molecular machines | ||
| 20.09.2017 | First SEC Lecturers are appointed | ||
| 04.10.2017 | 8. SEC-Technology-Tour to DAW in Ober-Ramstadt | ||
| 20 October 2017 | The word Section is replaced by Specialist Group in the GDCh |
| 03.06.2010 | 1. General Meeting in Bitterfeld-Wolfen | |
| 03 June 2010 | 3. Annual meeting in Bitterfeld-Wolfen: Like a phoenix rising from the ashes | |
| 03 August 2010 | The SEC working group becomes a section (later "specialist group") of the GDCh | |
| 30 August 2010 | .2010 3rd SEC Technology Tour to ESOC in Darmstadt | |
| 14.01.2011 | Election of the 1st Executive Board of the SEC Section (deadline) | |
| 26.08.2011 | 4th SEC Technology Tour to Koziol in Erbach (Odenwaldkreis) | |
| 04.09.2011 | The SEC website goes online | |
| 06 September 2011 | 2. SEC-WiFo-Symposium in Bremen: Chemistry creates the future: Biographical and chemical | |
| 01.10.2011 | The first "Pro and Contra" appears in the News from Chemistry | |
| 09.05.2012 | 2. Membership meeting in Bad Dürkheim | |
| 09.05.2012 | 4. Annual meeting in Bad Dürkheim:: The Rhine-Neckar metropolitan region as an area of strength and innovation | |
| 05.06.2013 | Election of the 2nd Executive Board of the SEC. Board of the SEC (deadline) | |
| 03/09/2013 | 3. SEC-WiFo-Symposium in Darmstadt: DA: The chemistry is right | |
| 14.11.2013 | 5th SEC Technology Tour to Merck KGaA in Darmstadt |
| 19.10.2006 | Auftaktveranstaltung in der Goethe-Universität | |
| 03.11.2006 | 1. Meeting of the public relations working group | |
| 16 November 2006 | 1st meeting of the SEC working group on schools/education | |
| 22 November 2006 | 1. Meeting of the Internet working group | |
| 01 December 2006 | 1st meeting of the International Relations working group | |
| 25.05.2007 | 1. SEC-Technology-Tour to Sanofi-Aventis in Frankfurt-Höchst | |
| 11.11.2007 | 1. Annual meeting of the SEC in Hanau-Steinheim | |
| 03 December 2007 | 1st meeting of the provisional board of the SEC (working group leader) | |
| 06.12.2007 | GDCh Board agrees to the founding of the AG SEC | |
| 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 | 1. SEC-WiFo-Symposium in Frankfurt (Main) | |
| 01 December 2009 | First SEC Newsletter |