10. The Dancing Plague of 1518
In July 1518, a woman named Frau Troffea began dancing in the streets of Strasbourg and did not stop for several days. Within a month, 400 people had joined her, dancing uncontrollably despite physical exhaustion. Dozens reportedly died from heart attacks, strokes, and exhaustion. Physicians at the time prescribed more dancing. The cause remains debated: mass psychogenic illness, ergot poisoning, religious ecstasy, or something else entirely.
9. Pope Gregory IX Declaring War on Cats
In 1232, Pope Gregory IX issued a papal bull associating black cats with Satanic worship, triggering mass cat killings across Europe. The resulting decline in cat populations allowed rat populations to explode. Some historians argue this contributed directly to the catastrophic spread of the Black Plague, which killed a third of Europe's population over the following century. A war on cats may have inadvertently killed 25 million people.
8. Napoleon Attacked by Rabbits
In 1807, following the signing of the Treaty of Tilsit, Napoleon Bonaparte organized a celebratory rabbit hunt. His aide sourced approximately 3,000 rabbits. The rabbits turned out to be domesticated. They did not run. They swarmed. Napoleon and his marshals were overrun by domestic rabbits, eventually retreating to their carriages. Napoleon Bonaparte — conqueror of most of Europe — was routed by pet rabbits.
7. The Great Emu War
In 1932, the Australian government deployed the Royal Artillery against 20,000 emus damaging wheat farms in Western Australia. Major G.P.W. Meredith commanded two Lewis guns and 10,000 rounds. After 12 days of operations, the military withdrew having made negligible impact on the emu population. Australia officially lost a military campaign against birds.
6. The London Beer Flood of 1814
On October 17, 1814, a vat at the Meux and Company Brewery in London ruptured, triggering a chain reaction that released over 100,000 imperial gallons of beer into the surrounding streets of St. Giles — a densely populated slum. The flood destroyed homes, killed eight people, and injured many more. Several people reportedly drowned. The brewery was found not liable as the courts ruled it an act of God.
5. Emperor Caligula Declaring War on Neptune
In 40 AD, Roman Emperor Caligula marched his legions to the English Channel, seemingly intending to invade Britain. Instead, he ordered his soldiers to attack the sea with their weapons, then collect seashells as 'spoils of war from the ocean.' He declared victory over Neptune, god of the sea. The legions complied. Historians have debated whether this was madness, theatre, or a covered-up mutiny ever since.
4. The Year Without a Summer
In 1816, the eruption of Mount Tambora in Indonesia the previous year caused volcanic ash to block sunlight globally, dropping temperatures worldwide and causing widespread crop failures. Snow fell in New England in June. Mary Shelley, stuck indoors during the unusually miserable summer in Switzerland, wrote Frankenstein to pass the time. Lord Byron wrote poetry. The world nearly starved.
3. The Great Molasses Flood of 1919
On January 15, 1919, a storage tank in Boston, Massachusetts containing 2.3 million gallons of molasses exploded. A wave of molasses 8–15 feet high moved through the streets at an estimated 35 miles per hour. It killed 21 people, injured 150, and took weeks to clean up. Boston Harbor was reportedly brown for months. Local residents claim you can still smell molasses on hot summer days.
2. The Animals on Trial Era
Between roughly 1266 and 1750, European courts conducted formal legal trials of animals — charging, defending, convicting, and executing pigs, rats, moles, weevils, roosters, and other creatures for crimes against humanity and God. Animals were provided defense attorneys. One weevil trial lasted 41 years. A rooster was burned at the stake for laying an egg. This was the formal legal system of the most advanced civilization on Earth at the time.
1. The Dyatlov Pass Incident
In February 1959, nine experienced Soviet hikers died in the Ural Mountains under circumstances that have not been fully explained in 65 years. They cut their tent from the inside and fled into −30°C temperatures in their underwear. Several had internal injuries consistent with car crashes but no external wounds. One was missing her tongue. Clothing had elevated radiation readings. The official cause of death was listed as 'a compelling unknown force.' It remains classified as unsolved.