The video discusses seven unsolved mysteries:
1. The Cicada 3301 puzzle: a series of cryptic messages and puzzles posted online by a mysterious organization seeking individuals with exceptional intelligence.
2. The Nuremberg UFO Incident (1561): a reported aerial battle of strange flying objects in the sky above Nuremberg, Germany.
3. The Shepherd's Monument inscription: an undeciphered message carved into a monument in Staffordshire, England, which may be linked to the search for the Holy Grail.
4. The Roanoke Colony disappearance (1580s): the unexplained disappearance of a group of English colonists in what is now North Carolina.
5. The Taman Shud case (1948): the discovery of a man's body on a beach in Australia with a mysterious code in his pocket, which remains unsolved.
6. The Ricky McCormick case (1999): the discovery of a man's body with encrypted notes in his pockets, which have not been deciphered.
7. The Charles Spector mystery (2008): a man who died in a train crash, but his phone continued to make calls to his family members with static on the other end.
These mysteries remain unsolved, and the video invites viewers to share their theories and thoughts on the cases.
Here are the key facts extracted from the text:
1. The group 3301 posts riddles on online forums, starting with one on January 5, 2012.
2. The riddles require knowledge of data security, cryptography, steganography, and Mayan numbering to solve.
3. The group has posted riddles every year since 2012, except for 2015.
4. The objective of the riddles is unknown, but speculations include recruitment for a top-secret organization or a group of computer experts.
5. The first riddle posted by 3301 included a message in Spanish saying "hello we are looking for individuals with great intelligence".
6. The clues to complete the riddles have been located in different parts of the world, including the United States, Poland, Mexico, and El Salvador.
7. In 1561, people in Nuremberg, Germany reported seeing an aerial battle of strange flying objects in the sky.
8. The objects were described as high-speed flying subbus balloon crossings, cylindrical shapes that opened to release other spherical objects, and a huge black triangular shape.
9. The fight lasted at least an hour, and several objects fell to the ground, catching fire.
10. The Shepherds' Monument in Staffordshire, England has a mysterious inscription that has not been deciphered.
11. The monument was built in the mid-18th century, and the inscription consists of a series of letters and symbols.
12. The inscription has been linked to the search for the Holy Grail and is believed to have connections to Freemasonry and other secret societies.
13. In 1587, a group of English colonists, including women and children, disappeared from the island of Roanoke, off the coast of what is now North Carolina.
14. The only clue left behind was a post with the word "CROATOAN" carved into it.
15. The colonists were believed to have been killed by the local Croatoan tribe, but the exact circumstances of their disappearance are still unknown.
16. In 1948, a mysterious man was found dead on a beach in Somerton, Australia, with no identification or clues to his identity.
17. An autopsy revealed that the man had been poisoned with two toxic substances, digitalis and verse.
18. A piece of paper with a cryptic message was found in the man's pocket, which was later discovered to have been torn from a book titled "Rubaaiyat of Omar Khayyam".
19. The message has not been deciphered, and the identity and cause of death of the man remain unknown.
20. In 1999, a man named Ricky McCormick was found dead in a cornfield, with a series of encrypted notes in his pockets.
21. The notes have not been deciphered, and the cause of Ricky's death remains unknown.
22. In 2008, a train collision occurred in California, resulting in 25 deaths and 134 injuries.
23. A man named Charles Spector was killed in the collision, and his family received a series of mysterious phone calls from his phone number in the hours following the accident.
24. The calls were received by multiple family members, but when they tried to call back, they were sent to voicemail.
25. The police were unable to find Charles' phone, and the source of the mysterious calls remains unknown.