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Wikipedia
@wikipedia.org
55K followers 5 following 890 posts
A free, collaborative, multilingual internet encyclopedia.

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A temporal paradox is a contradiction that arises when time travel allows actions in the future to influence the past. It challenges our understanding of cause and effect and fuels sci‑fi plots and thought experiments. 🧵⬇️ (1/4)
Two gas giant planets appear to collide in space, with bright light at their point of contact. Text reads: What happens if you travel back in time and change history? A temporal paradox is a contradiction that arises when time travel affects the past.
February 9, 2026 at 12:32 PM
wikipedia.org
Holography turns light into a floating 3D image by capturing both its intensity and phase. Unlike a photo, which records light from one direction, a hologram shows how light behaves in space, letting you see different perspectives. 🧵⬇️ (1/4)
Text reads: Holography. A photograph shows light from one angle. A hologram shows how light behaves in space.
February 8, 2026 at 2:39 PM
wikipedia.org
Your attention, please: You are allowed to eat ice cream for breakfast!

Ice Cream for Breakfast Day began in 1960s Rochester, New York, when a mother cheered up her kids during a snowstorm. Today it's celebrated worldwide. 

Scoop up more knowledge ➡️ w.wiki/HRYg
Dark chocolate ice cream with chocolate frosting served on a glass bowl. Text reads: It's Ice Cream for Breakfast Day. Seriously. Here's the scoop: 7 February is the morning when it's officially and internationally acceptable to eat ice cream for breakfast. (We won't tell if you do it another day, too.)
February 7, 2026 at 1:11 PM
wikipedia.org
Looking for adventure? Start your rabbit hole with a truly random Wikipedia article ⬇️

No algorithm needed.

One click sends you anywhere – from obscure villages to species of frogs.

Experience serendipity without algorithms.

Start your random adventure ➡️ w.wiki/_2n
Screenshot of random button. Text reads: Where will your Wikipedia rabbit hole begin?
February 5, 2026 at 2:45 PM
wikipedia.org
How many of these history myths did you think were real? Catchy details and clean stories can quietly replace what evidence shows. From Vikings to Newton, Wikipedia’s list of common misconceptions debunks myths we’ve heard since childhood.  🧵⬇️ (1/8)
Cartoon of Isaac Newton sitting under a tree as apples fall around him, referencing gravity. Text reads: Did this even happen? Check out Wikipedia's list
of common misconceptions
about history.
February 4, 2026 at 10:18 PM
wikipedia.org
Miss Piggy, however, has always been a pig.
Fun fact of the day: Initially, Kermit the Frog was a vague lizard-like creature. His status as a frog wasn't officially established until a 1969 TV special.
February 4, 2026 at 4:01 PM
wikipedia.org
Kente cloth's vivid patterns reflect Akan and Ewe weaving traditions in Ghana. Narrow strips woven on looms are joined into cloths whose designs carry messages. 

Learn how meaning is woven into kente cloth ➡️ w.wiki/5ckV
A person displays a brightly colored strip of Kente cloth with bold geometric patterns in blue, yellow, red, and green. Text reads: Look closely: nothing in kente is random. Patterns are chosen to communicate specific ideas within the tradition. Names for patterns are derived from many sources, including proverbs, historical events, important chiefs, queen mothers, and plants.
February 3, 2026 at 3:22 PM
wikipedia.org
Peltophryne lemur, or sapo concho if you're nasty 🐸

The Puerto Rican crested toad is found only in Puerto Rico and the Virgin Islands. You might be more familiar with the charismatic toad thanks to Grammy-winner Bad Bunny.

Hop into more knowledge ➡️ w.wiki/Hgwc
A crochet Sapo Concho from Bad Bunny at top of a tree with colorful patterns. Text reads: Puerto Rican crested toad. The Puerto Rican crested toad (Peltophryne lemur), also known as the Puerto Rican toad or Lowland Caribbean toad, is a species of toad found only in Puerto Rico and the Virgin Islands.
February 2, 2026 at 2:41 PM
wikipedia.org
Abracadabra began as a protective charm in ancient Rome. Its roots may lie in Aramaic, Greek, or abraxas, but nothing’s certain.

Over time, it shifted from healing amulet to the go‑to magic word on stage. Reveal the history behind this famous spell ➡️ w.wiki/AvuJ
Black-and-white collage with a woman in costume, magical symbols, and repeated "abracadabra" text in descending lines. Text reads: Abracadabra! Find out where scholars believe this magic word of protection comes from.
February 2, 2026 at 11:15 AM
wikipedia.org
A hiking expedition shrouded in mystery, 65 years later.

On 1 or 2 February 1959, experienced Soviet hikers died in the northern part of the Ural Mountains ridge under undetermined circumstances. Uncover the truth ➡️ w.wiki/Geg
A black and white picture of snowy mountains with a ripped apart tent. Text reads: Dyatlov Pass incident. 1959 unsolved deaths in the Soviet Union. A view of the tent as the rescuers found in February 26, 1959. The tent had been cut open from the inside, and most of the hikers had fled in socks or barefoot. 
February 1, 2026 at 5:05 PM
wikipedia.org
January Wikimedia Commons photo dump 📸

If you visit Wikipedia's homepage, every day you will see a "Today's featured picture" taken from Wikipedia's sister project Wikimedia Commons – like the ones you see in this post.

Explore more ➡️ w.wiki/HdMs
Baikal ice on sunset.jpg. Lake Baikal in winter. Ice ridges near Olkhon island in Pribaikalsky National Park. Baptistry of Neon ceiling mosaic (Ravenna).jpg. The ceiling mosaic in the Baptistry of Neon in Ravenna, Italy depicts the Baptism of Jesus. Built around 6th century A.D., the building is a UNESCO World heritage site.  A chinstrap penguin (Pygoscelis antarcticus) on Deception Island in Antarctica.jpg Colors of Bishwa Ijtema.jpg. Aerial view of 2023 Bishwa Ijtema in Bangladesh. With 5 million adherents, Bishwa Ijtema is the second-largest Muslim gathering in the world.
January 31, 2026 at 2:29 PM
wikipedia.org
Trash cans, ladders, ironing boards, traffic cones: would you use any object to save your spot?
Pittsburgh residents may reserve street parking places they've cleared out from snow using furniture or other objects. These two chairs mark a street space in Squirrel Hill. Text reads: Parking chair. A parking chair that is used by a motorist to informally mark a public parking space as reserved. Parking chair on the Madara street in Tallinn, Estonia. Text reads: Legality. The practice has been outlawed in some places, including the city of Washington, D.C., where enforcement is strict and violators are ticketed. Some places specifically prohibit the practice, with levels of enforcement that vary. Sanctions against violators may include fines and confiscation of the markers. Other places either do not enforce or make legal allowances for this activity. Chairs protecting parking place, Chicago. Text reads: Photographic evidence of the tradition has been found dating back at least to the 1950s. It is believed that the practice existed earlier, as the number of vehicles on residential streets has exceeded the number of available spaces. The origin of this practice may be outside the United States, as it is also a common practice in southern Italy.
January 30, 2026 at 3:10 PM
wikipedia.org
Happy International Puzzle Day!

Wikipedia’s jigsaw globe reminds us that knowledge grows piece by piece, built by people around the world. The gap at the top means there’s always room for new information and voices.

Piece together more knowledge ➡️ w.wiki/d6g
A gray globe made of puzzle pieces, each featuring a character from a different writing system, symbolizing global knowledge. Text reads: Wikipedia’s globe is a jigsaw puzzle made of pieces marked with characters from many writing systems. The missing pieces at the top signal that knowledge is always growing and that anyone can help complete the picture.
January 29, 2026 at 12:06 PM
wikipedia.org
Ĉu vi sciis, ke ekzistas Esperanta versio de Vikipedio?

A constructed language or "conlang" like the Esperanto above is deliberately designed rather than naturally evolved. Some are made to communicate, others – like Elvish or Klingon  – are fictional.

Lernu pli ➡️ w.wiki/5kbR
Stylized black stepped tower silhouette set against a yellow sun on a purple background, symbolizing the Tower of Babel.
January 28, 2026 at 2:38 PM
wikipedia.org
Artists have paired logic and aesthetics for centuries, using geometry and ratios to unlock beauty.
A man holds a transparent spiral structure made of interconnected loops. Text reads: What do quilting, Renaissance paintings, and computer graphics have in common? Math.
January 24, 2026 at 2:15 PM
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Pre-order Baby Globe ➡️ www.makeship.com/products/bab...
January 22, 2026 at 7:05 PM
wikipedia.org
Whales weigh tens of tons, and when they die on a beach, things can get messy. Gas builds up inside the carcass as bacteria break down tissues. Sometimes authorities use explosives, with infamous results like the 1970 Oregon blast.

Build up your knowledge ➡️ w.wiki/_p282
Screenshot of a Wikipedia article titled "Exploding whale", discussing gas buildup in decomposing whale carcasses.
January 22, 2026 at 1:14 PM
wikipedia.org
Cat sleeping positions. Tea leaves. Cheese. People seem to have tried just about everything to predict the future. Across cultures and centuries, divination blends ritual, intuition, and symbolism to glimpse the unknown 🧵⬇️ (1/5)
A hand with palm lines labeled for a palm reading, while another hand points at the markings. Text reads: How do humans try to see the future? Discover the methods of divination throughout history.
January 21, 2026 at 7:10 PM
wikipedia.org
Did you know that the first biographical article about a woman on Wikipedia was about Rosa Parks? Her refusal to give up her seat in 1955 sparked the Montgomery Bus Boycott and helped end bus segregation in the US.

Learn more about her legendary act ➡️ w.wiki/3P
Rosa Parks stands smiling in front of a crowd outside a courthouse during the Montgomery bus boycott. Text reads: On this date in 2001, Wikipedia logged its first biographical article about a woman. The subject was Rosa Parks, a civil rights activist whose act of defiance on a segregated bus became a catalyst for the modern Civil Rights Movement.
January 21, 2026 at 12:24 PM
wikipedia.org
Meet the people behind Wikipedia: building, protecting, and expanding knowledge for everyone #Wikipedia25
January 20, 2026 at 1:54 PM
Reposted by Wikipedia
wikimediafoundation.org
Have you met the Wikipede? In another universe, maybe it has been Wikipedia's logo for over two decades. Community members submitted many designs, proposed changes, and debated them openly 🧵⬇️ (1/5)
The pixelated picture of a caterpillar. Text reads: What if this were Wikipedia’s logo? Before the puzzle globe, Wikipedia’s community explored other possibilities. And the early 2000s delivered.
January 19, 2026 at 6:49 PM
wikipedia.org
Meet Jimmy, who dreamed up Wikipedia and watched humanity turn it into a global public good #Wikipedia25
January 19, 2026 at 12:48 PM
wikipedia.org
Meet Yuriko, who brings knowledge from the past into the present so more people can learn from it #Wikipedia25
January 18, 2026 at 2:57 PM
wikipedia.org
Meet Mireia, who works to bring Brazil’s diverse history into Wikipedia so more stories are seen #Wikipedia25
January 17, 2026 at 11:40 AM
wikipedia.org
Meet Maxime, who is turning artifacts and architecture into shared knowledge for everyone #Wikipedia25
January 17, 2026 at 12:21 AM