The Augsburg Confession, one of the most significant documents in the history of Christianity, is a statement of faith that was presented by the Lutheran theologians at the Diet of Augsburg in 1530. It is known by a variety of names such as the Augsburg Book of Confession, Augustana Confession, or as the Declaration of the Evangelical Doctrine. Other synonyms for the Augsburg Confession include the Augsburgian Creed, the Augsburg Articles and the Augustan Confession. The document is widely recognized as a comfort for the Lutheran Church and the message of Lutheran churches around the world. It provided a clear statement of Lutheran beliefs and was fundamental to the influence of the reformation on western Christianity.