Two editions of two-day workshops in Toruń, in cooperation with the Institute of History and Archival Studies at the Nicolaus Copernicus University (2024, 2026).

An international conference organised at the John Paul II Catholic University of Lublin in cooperation with the Polish Group of the International Commission on Christian History and Research at the Polish Academy of Learning in Kraków (2024).

A conference for twenty participants organised in Gdańsk on the 500^th anniversary of the Prussian Homage, in cooperation with the Institute of History at the University of Gdańsk and the local government of Gdańsk (2025).

A conference organised in Wrocław in cooperation with the Wrocław University Library and the Institute of History at the University of Wrocław (2026).