Events
- April 2018: Offenbach
- October 2018: Montabaur
- April 2019: Mainz
- November 2019: Montabaur
- April 2020: Offenbach
- October 2020: Mainz
- April 2021: virtual
- September 2021: Mainz
- March 2022: Montabaur
- October 2022: Mainz
- April 2023: Offenbach
- April 2018: Offenbach
- October 2018: Montabaur
- April 2019: Mainz
- November 2019: Montabaur
- April 2020: Offenbach
- October 2020: Mainz
- May 2021: virtual
- October 2021 : virtual
- May 2022: Bonn
- May 2023: Bonn