The article reveals the nature and features of the relationship between the Livonian Order and the Archbishops of Riga during the Livonian Reformation, in 1521–1558, and reveals their attitude towards the spread of Lutheranism, the influence of the reformation processes on the political life of Livonia. It also examines the legal, political and ideological reasons and prerequisites of the Livonian Master Wolter von Plettenberg historical choice.
