In the early years of World War II, Josef Stalin issued an order that made the Soviet Union the first country in the world to allow female pilots to fly in combat. Led by Marina Raskova, these three regiments, including the 588th Night Bomber Regiment—nicknamed the “night witches”—faced intense pressure...

It was April 5, 1943, and the Gestapo would arrive any minute. Dietrich Bonhoeffer had been expecting this day for a long time. He had put his papers in order—and left a few notes specifically for Hitler’s men to see. Two SS agents climbed the stairs and told the boyish-looking...