“Ein feste Burg ist unser Gott” — A Mighty Fortress Is Our God — Martin Luther Played on a 1910 Dominion Orchestral Reed Organ “Ein feste Burg ist unser Gott,” known in English as “A Mighty Fortress Is Our God,” is one of Martin Luther’s most famous and influential hymns. Luther wrote both the text and the melody sometime between 1527 and 1529, during a period of intense personal and theological struggle. The hymn became a powerful expression of confidence, faith, and resilience, and it has rema