April 6, 1528: Albrecht Durer, German painter, engraver, and designer of woodcuts, dies. Famous for his religious scenes, he may have been so influenced by Luther (whom he called "the great Christian man who has helped me out of great anxieties") that he converted to Protestantism. His most popular work is "Praying Hands.

April 9, 1945: The Gestapo hangs German theologian Dietrich Bonhoeffer, after discovering his involvement in a failed plot to assassinate Adolf Hitler. Bonhoeffer's last recorded words were, "This is the end—for me, the beginning of life"