The article examines the Lutheran liturgy in a theological and historical context. It analyzes its structure, surveys the criteria for liturgical reforms in the sixteenth century, considers the possible classification of a wide variety of Lutheran agendas as well as the influence of pietism and the Enlightenment on the liturgical life of the church. Particular attention is given to the Prussian Union and its agenda which has awakened a new liturgical sensibility among the Lutheran Churches and prompted them to re-appreciate their confessional and liturgical heritage, leading to the preparation of new agendas that more clearly reflected their confessional identity. The influence of liturgical movements on the sacramental life of the church and the results of the liturgical reforms carried out by the Lutheran churches of the United States, Germany, and Scandinavia in the twentieth century are also considered.