The video discusses seven lesser-known secrets about World War II. These include:
1. The existence of a massive cannon, known as the "Dora cannon," developed by the Nazis, which was so large and heavy that it was impractical to use.
2. The story of William Hitler, Adolf Hitler's nephew, who lived in the United States and joined the US Navy to distance himself from his uncle's reputation.
3. The claim that the Nazis developed a flying saucer-like aircraft, which was later used as the basis for stories about extraterrestrial life.
4. The fear of biological and chemical attacks during the war, which led to the development of gas masks, including a special Mickey Mouse-themed mask for children.
5. The phenomenon of "foo fighters," strange lights seen by pilots during the war, which were initially thought to be enemy aircraft but were later explained as a natural phenomenon.
6. The story of August La Almazara, a German who fell in love with a Jewish woman and refused to renounce her, even when ordered to do so by the Nazi Party.
7. The discussion of various atrocities committed during the war, including those by the Soviet Union, Japan, and the United States, which are often overlooked or forgotten in popular accounts of the war.
Here are the key facts extracted from the text:
1. The Second World War is estimated to have resulted in the deaths of 70 million people.
2. The war was a turning point in human history, with the worst monsters and most abominable creations appearing during this time.
3. 95% of people are unaware of some of the most incredible and creepy secrets of the six-year conflict.
4. A "railway cannon" was a secret weapon developed by Hitler, which was 47 meters long and had a range of 25 kilometers.
5. The cannon was nicknamed the "Dora cannon" and was used to sow terror in the hearts of Germany's enemies.
6. William Hitler, Adolf Hitler's nephew, lived in the United States and took steps to protect himself and his family from potential harm.
7. William sent a letter to President Roosevelt, asking to enlist in the US Navy, and was accepted.
8. William became a beloved and admired figure in his time, and many believe he managed to save himself from a potential mob.
9. The Nazi Party began developing biological weapons during World War II.
10. The US developed a Mickey Mouse-themed gas mask kit to help children prepare for potential chemical attacks.
11. The term "foo fighters" was coined during World War II to describe unidentified flying objects seen by pilots.
12. German intelligence reports also spoke of these strange objects, which were believed to be too fast and agile to be of human origin.
13. A man named Augustin La Almazara, a member of the Nazi Party, fell in love with a Jewish woman named Irma and tried to protect her from persecution.
14. La Almazara refused to salute Hitler and was eventually disappeared and erased from history.
15. The Japanese Imperial Army killed more people in China than the two atomic bombs combined that the Japanese people suffered.
16. Unit 731, made up of Japanese scientists, conducted heinous experiments on Chinese and Russian civilians.
17. The Soviet Union had gulags that were as bad as those of Nazi Germany.
18. The British also had concentration camps, which were well-hidden from the public.
19. The Americans put Japanese descendants in internment camps during World War II.
20. Russia lost 27 million people during the Second World War, the highest number of casualties of any country.