Church of England | Catholic Church | church | The Church of Jesus Christ of Latter-day Saints | Russian Orthodox Church | church (building) | Church of Scotland | Bishop (Catholic Church) | Christ Church, Oxford | Eastern Orthodox Church | Church (building) | Seventh-day Adventist Church | Anglican Church of Australia | Moravian Church | Church of Ireland | Serbian Orthodox Church | Church | Evangelical Lutheran Church in America | Christ Church | Uniting Church in Australia | Church of Scientology | Congregational church | Coptic Orthodox Church of Alexandria | Church of South India | United Church of Christ | Methodist Episcopal Church | Greek Orthodox Church | Anglican Church of Canada | Unification Church | Ethiopian Orthodox Tewahedo Church |
Dietze wasted little time establishing himself as an opponent of the Nazi regime, joining the Confessing Church and consistently voicing his disapproval of the policies of Reich Minister of Food Richard Walther Darré.
As a member of the Confessing Church he opposed the Nazis, was arrested several times and conscripted into the Wehrmacht in 1941.
After Hitler's Machtergreifung, he joined the Pfarrernotbund and the Confessing Church along with other notable Protestant theologians such as Dietrich Bonhoeffer, Martin Niemöller and Hans Ehrenberg.