The European Conference PHYSICS OF MAGNETISM 2026 (PM'26) will be held on June 22-26 in Poznań, Poland. The current event is going to be the eighteenth in a series which started in 1975. The conference aims to be an international forum for the presentation and discussion of novel scientific ideas in the field of broadly understood magnetism and magnetic materials. Accordingly, the 2026 edition boasts a very wide scope of topics ranging from the fundamental research to applications. PM’26 is organized jointly by the Institute of Molecular Physics, Polish Academy of Sciences, and the Faculty of Physics and Astronomy, Adam Mickiewicz University, Poznań. On behalf of the Organizing Committee, we cordially invite you to join us in Poznań for this special anniversary edition of the Physics of Magnetism conference. With best regards, Piotr Kuświk Ireneusz Weymann Chairs of PM’26