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11,491 facts. Click any fact to see its full page.
All 11,491
📜 History 1,991
🔬 Science 1,964
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🧠 Psychology 893
🌿 Nature 759
💻 Technology 735
🌍 Geography 599
🎭 Culture 581
🫀 Human Body 572
🌊 Ocean 373
💬 Language 245
🍕 Food 199
✨ General 68
✨ Dinosaur 10
The inside of a banana peel can be used to polish shoes and silverware.
Lettuce is a member of the sunflower family.
Germany has over 1,500 different types of beer.
A typical ear of corn has about 800 kernels in 16 rows.
Ripe cranberries bounce like rubber balls, which is how farmers test their quality.
Dark chocolate contains more antioxidants per ounce than blueberries.
The oldest known recipe is for beer, written on a 4,000-year-old Sumerian tablet.
Astronauts cannot cry in space because tears do not fall — they form floating blobs around the eyes.
Bell peppers with four bumps on the bottom are sweeter and better for eating raw, while three-bump peppers are better for cooking.
The original Margherita pizza was designed to represent the Italian flag with tomato, mozzarella, and basil.
Celery has negative calories — it takes more energy to digest than the calories it contains.
Pringles are not technically potato chips — they are made from a dough of dehydrated potatoes, wheat starch, and flours.
A single pomegranate can contain up to 1,400 seeds.
The world's most expensive spice by weight is saffron, costing up to $5,000 per pound.
Broccoli contains more protein per calorie than steak.
Wasabi is so difficult to grow that most wasabi served in restaurants is actually dyed horseradish.
The average cloud weighs about 1.1 million pounds, roughly the same as 100 elephants.
Grapes will explode if you microwave them, producing a brief plasma arc.
The Battle of Thermopylae in 480 BC saw 300 Spartans and their allies hold off a Persian army of over 100,000 for three days.
The Hagia Sophia in Istanbul served as a Christian cathedral for nearly 1,000 years before becoming a mosque and then a museum.
The Mayflower Compact, signed in 1620, was one of the first frameworks for self-governance in America.
The first transatlantic radio signal was sent by Guglielmo Marconi in 1901, traveling from England to Newfoundland.
Ancient Greek athletes competed in the Olympic Games completely naked.
The oldest known cave paintings are in Sulawesi, Indonesia, and are at least 45,500 years old.
Mansa Musa, the emperor of Mali, is considered the wealthiest person in history, with an estimated net worth equivalent to $400 billion.
The Colosseum in Rome could seat approximately 50,000 to 80,000 spectators.
The first programmable computer, the Z3, was built by Konrad Zuse in 1941 in his parents' living room in Berlin.
During Prohibition in the United States, the government ordered manufacturers to poison industrial alcohol, leading to an estimated 10,000 deaths.
The ancient Library of Alexandria may have contained over 400,000 scrolls.
Pompeii was preserved under 13 to 20 feet of volcanic ash after Mount Vesuvius erupted in 79 AD.
The Great Wall of China is not a single continuous wall but a series of walls and fortifications built by various dynasties.
The Black Death killed an estimated 30 to 60 percent of Europe's population in the 14th century.
The first public library in the United States was founded in 1731 by Benjamin Franklin.
Samurai warriors would test new swords on corpses or condemned criminals to ensure their quality.
The Aztec capital Tenochtitlan had a population of over 200,000, making it one of the largest cities in the world at the time.
Paul Revere did not actually shout 'The British are coming' during his midnight ride — colonists still considered themselves British at the time.
The first photograph ever taken required an exposure time of eight hours.
Ancient Romans used a sponge on a stick, called a tersorium, instead of toilet paper.
The Mongol Empire was the largest contiguous land empire in history, stretching from Eastern Europe to the Sea of Japan.
The Dancing Plague of 1518 caused hundreds of people in Strasbourg to dance uncontrollably for days, with some reportedly dying from exhaustion.
The first successful powered airplane flight by the Wright Brothers lasted only 12 seconds.
The Inca Empire had no written language but used a system of knotted strings called quipu to record information.
Cleopatra was not Egyptian by ethnicity — she was of Macedonian Greek descent.
The deadliest natural disaster in recorded history was the 1931 China floods, which killed an estimated 1 to 4 million people.
Before alarm clocks, people hired knocker-uppers to tap on their windows with long poles to wake them for work.
The Terracotta Army, buried with China's first emperor Qin Shi Huang, contains over 8,000 individually sculpted soldiers.
The first marathon was not an ancient Greek tradition — it was created for the first modern Olympic Games in Athens in 1896.
In 1816, known as the Year Without a Summer, volcanic ash from Mount Tambora caused global crop failures and snow in June.
The Rosetta Stone, discovered in 1799, was the key to deciphering Egyptian hieroglyphics.
The first vaccine was developed by Edward Jenner in 1796 using cowpox to protect against smallpox.