On June 17, 1991, Polish Prime Minister Jan Krzysztof Bielecki and German Chancellor Helmut Kohl met in Bonn — then the seat of the German government — to sign the Treaty between the Federal Republic of Germany and the Republic of Poland on Good Neighborliness, Friendship and Cooperation. The agreement marked a new beginning in Polish-German relations after decades of enmity and mistrust. Thirty-five years later, on June 17, 2026, both states — which are now close partners in the European Union