Culturally the country belongs to the Nordic region. It shares with the other Nordic countries a tradition of tolerance, peace and international solidarity. In the 16th century Denmark adopted the Lutheran Reformation. The Lutheran Church is the national church and the "folk church". It participates actively in ecumenical dialogues and is signatory to the Leuenberg Agreement. Immigration has strengthened the minority Catholic and Orthodox communities. There is a Baptist Union, and several Charismatic groups. Denmark has an Evangelical Alliance affiliated with the WEA.