20 Terrifying Moments in History, Far Scarier Than Any Movie

On June 30, 1908, an explosion occurred over central Siberia with such force that it leveled approximately 2,000 square kilometers of forest. At the time, witnesses had no illustrations to help explain what had just happened, and no impact crater was discovered. Today’s scientists, however, agree that it was a high-altitude explosion caused by a meteoroid or a comet fragment.

In 1692, the village of Salem turned fear into a full-blown judicial nightmare, accusing its residents of witchcraft and treating suspicions as evidence. Nineteen people found guilty were hanged, others were imprisoned, and Giles Corey was crushed to death after refusing to plead. You’ve probably heard of this case before, but its details remain a disturbing reminder that collective fear and judicial authority can have serious consequences.

The Loudun possessions began in France in the 17th century, when Ursuline nuns claimed to be tormented by demons. As you can probably imagine, this quickly led to a public scandal. The priest Urbain Grandier was even accused of causing these possessions through witchcraft, and in 1634, he was convicted and burned at the stake. 

Under Louis XIV, Paris was not limited to court intrigues: the city was apparently a thriving market for poisons, divination, and so-called black masses. In 1679, an investigation uncovered a network of suspects ranging from commoners to members of the elite, and the scandal nearly reached the king’s inner circle. Ultimately, the entire affair led to executions and imprisonments and sowed a lasting climate of mistrust within the royal court.

You’ve probably heard of her, but do you know her story? The merchant ship Mary Celeste was found abandoned on December 5, 1872, drifting about 400 nautical miles from the Azores. When it was discovered, the ship was still seaworthy, but the captain, his family, and the crew had vanished. No confirmed explanation has ever fully solved this mystery.

In December 1900, three lighthouse keepers disappeared from the Flannan Isles lighthouse off the coast of Scotland, leaving behind a mystery that still intrigues people today. Records from the Northern Lighthouse Board indicate that James Ducat, Thomas Marshall, and Donald McArthur lost their lives, but no direct evidence has ever been found to explain why. To this day, the incident is simply attributed to extreme weather conditions.

In July 1518, Frau Troffea began dancing in the streets of Strasbourg… and she simply wouldn’t stop. Within a matter of weeks, hundreds of people were reportedly swept up in this farandole, dancing for days on end while the authorities attempted a completely ineffective strategy that consisted simply of giving them more space to sway their hips. The cause is still debated, but theories range from a collective illness to social stress.

The Halifax explosion remains one of the deadliest non-nuclear explosions in history, and yet it isn’t discussed as much as one might think. On December 6, 1917, the French munitions ship Mont-Blanc collided with the Norwegian ship Imo in the port of Halifax. The explosion killed nearly 2,000 people, injured about 9,000, and leveled more than one square kilometer of the city. 

It’s a case that has haunted people’s minds for years: in 1922, on a remote farm in Bavaria, six people lost their lives. The evidence suggested that the perpetrator might even have remained on the premises afterward, feeding the animals and living in the house. Despite the interest this case continues to generate, no one knows what really happened.

On the night of June 9–10, 1912, eight people were murdered in a house in Villisca, Iowa, including six children. The victims were killed with a blunt object while they slept, and despite the identification of suspects and the investigations that followed, this case remains one of the most infamous unsolved cases in the United States. 

This chilling case is so famous that it has been the subject of numerous books, video games, documentaries… the list goes on. The story goes that in 1959, nine experienced Soviet hikers died in the northern Ural Mountains after apparently cutting through the fabric of their tent to escape into the freezing cold. Some died of hypothermia, while others had unexplained injuries. Current theories suggest that an avalanche may have caused the tragedy, but this case continues to baffle investigators. 

In 1948, an unidentified man was found on Somerton Beach in Adelaide, Australia, with a piece of paper bearing only the words “Tamám Shud.” A connection was later established with a copy of Omar Khayyam’s Rubaiyat, although this didn’t mean much at the time. It wasn’t until several decades later that DNA analysis identified the man as Carl Webb, an electrical engineer from Melbourne. 

On August 21, 1986, Lake Nyos in Cameroon suddenly released a massive cloud of carbon dioxide. If that sounds serious, it’s because this event turned out to be far deadlier than anyone could have imagined; the gas spread to nearby villages and claimed the lives of between 1,700 and 1,800 people, as well as numerous animals. 

In December 1984, approximately 45 metric tons of methyl isocyanate leaked from a Union Carbide pesticide plant in Bhopal, India. Within a short time, thousands of people lost their lives and hundreds of thousands more suffered from long-term health problems as a result of this disaster. This event remains one of the worst industrial accidents in modern history.

Although it seems too incredible to be true, it was in fact a devastating accident that claimed the lives of 21 people. On January 15, 1919, a storage tank collapsed in Boston, spilling more than two million gallons of molasses into the North End neighborhood, injuring about 150 people and wreaking havoc on the city.

We like to joke about the weather in London, but we may not realize just how terrifying it could be. From December 5 to 9, 1952, London found itself trapped in a thick smog caused by coal smoke and weather conditions. The city came to a standstill, and according to recent estimates, the death toll could reach 12,000. 

On May 8, 1902, Mount Pelée erupted in Martinique and destroyed the port city of Saint-Pierre. In what was one of the deadliest volcanic eruptions of the 20th century, volcanic debris claimed the lives of approximately 30,000 people. To make matters worse, Saint-Pierre had in fact received early warning signs of the impending disaster, but the authorities underestimated the risk, and ultimately, no effective evacuation was ordered. 

Sometimes in history, one tragedy overshadows another—and that is exactly what happened here. On October 8, 1871, the very night the Great Chicago Fire broke out, a far deadlier fire ravaged Peshtigo, Wisconsin, and the surrounding area. About 800 people perished in the town, but the total death toll is estimated to be between 1,200 and 2,400. 

In 1845, Sir John Franklin led the HMS Erebus and the HMS Terror into the Arctic in search of the Northwest Passage. It seems like an uneventful expedition—until one recalls that all 129 men eventually disappeared or died. Most harrowing of all is the evidence discovered later, which revealed that the crew had suffered from starvation, hypothermia, and cannibalism.

Long before molasses spilled into the streets, a vat at the Horse Shoe Brewery, owned by Meux & Co., burst, flooding the St. Giles neighborhood of London with a wave of porter. This occurred on October 17, 1814; eight people lost their lives, including those who had come to pay their respects to the deceased during a wake.