Witold Pilecki, a Polish Army officer, volunteered to get imprisoned in Auschwitz to gather intelligence and escape.
Part of the reason why the Allied secret services could fool the Nazis many times is that the deputy head of the German Abwehr, Hans Oster, actively sabotaged the Nazi war effort.
Rationing in the United Kingdom during WWII actually increased life expectancy in the country, and decreased infant mortality. This was because all people were required to consume a varied diet. The only negative results being the increased time needed for meals to consume the necessary calories from bread and potatoes, and what they described as a “remarkable” increase in flatulence from the high amount of starch in the diet. The scientists also noted that their faeces had increased by 250% in volume.
During World War II a Soviet pilot was shot down while returning from a reconnaissance mission and hid in the woods nearby. When a German fighter pilot landed nearby and got out to investigate, the Soviet pilot rushed out, stole his plane and flew home, barely avoiding being shot down by Soviet fighters in the process.
In 1944, Lt Leon Crane bailed out of a malfunctioning plane, survived in Alaskan wilderness for 81 days, and walked 120 miles to safety.
The last WW2 POW to be repatriated was a Hungarian soldier who sat in a Russian mental hospital for 53 years before a linguist realized that he wasn’t actually talking gibberish.
During the German invasion of the Soviet Union, a single Russian tank delayed the advance of an entire division for one day.
American volunteers fighting in other nations armed forces in WW2 lost their citizenship and changed their nationality to Canadian. Congress eventually passed a blanket pardon in 1944.
During WWII, a research program tried to train pigeons to guide missiles. Pigeons would follow the image, pecking at it, which would move the screen on its pivots. The program was shutdown, with the lead researcher stating:”Our problem was no one would take us seriously.”
Gen. George S. Patton believed in reincarnation, and believed himself to have been a military leader killed in action in Napoleon’s army, or a Roman legionary. He assumed that his past lives had a similar status to his current life, which does fit many models of reincarnation. It is not done randomly but is based on what you have done in your past lives. He effectively thought a part of the reason he was a high level general was that he had earned it through his leadership experience in past lives.