sentences:  With the exception of 1920, Transylvanian Unitarian leaders have been present at all IARF congresses, and, in May 1975, Communist authorities allowed it to welcome the IARF's Executive Committee in the city of Cluj-Napoca.In 1994, the IARF European Conference was held in the same location.The Transylvanian Unitarian Church is also a founding member of the International Council of Unitarians and Universalists.