The Working Group of Church Historians in German-speaking Countries (Arbeitsgemeinschaft der Kirchenhistoriker und Kirchenhistorikerinnen im deutschen Sprachraum) is dedicating part of this year's annual meeting, which will take place from 19 to 21 June 2025 in Salzburg (see programme here), to the anniversary of the Council of Nicaea. From 11 to 12 July 2025, the School of Catholic Theology at the University of Augsburg will host a conference entitled "1700 Years of Nicaea: Historical Perspectives and Ecumenical Impulses for the Present" (programme here).