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Did you know?
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This is a record of material that was recently featured on the Main Page as part of Did you know (DYK). Recently created new articles, greatly expanded former stub articles and recently promoted good articles are eligible; you can submit them for consideration.

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Did you know...

Berlaymont building

Tomb of the Unknown Soldier, Warsaw

Dragon's teeth

...that before natural selection was understood there were several now-discredited theories of speciation, including Lamarckism and orthogenesis?
...that all Native American pottery before the arrival of Europeans was done without the use of a potter's wheel?
...that the Sausage Valley of World War II-era France was so named because the Germans frequently flew a sausage-shaped observation balloon above it?
...that the Polynesian Rat is used to track human migrations across the Pacific Ocean?
...that Operation Predator, a U.S. Immigration and Customs Enforcement that aims at ending child sex tourism, which may victimize as many as two million children annually?
...that actress Susan Sullivan made comebacks to television twice?
...that France Antarctique, a short-lived French colony, was not in Antarctica but in Rio de Janeiro, Brazil?
...that Joseph Massino, formerly the head of New York's Bonanno crime family, was described as a real-life "last don"?
...that the Viceroyalty of the Río de la Plata, encompassing Argentina, Bolivia, Paraguay, and Uruguay, was the last viceroyalty created by Spain?
...that New Zealand is sometimes called The Half Gallon Quarter Acre Pavlova Paradise?
...that Liederkranz cheese is extinct?
...that the trans-Planckian problem refers to the appearance of unlikely quantities beyond the Planck scale in black-hole physics and inflationary cosmology?
...that the process for the evacuations of civilians in Britain during World War II was reversed in 1944?
...that the Ten Years' War, which began in 1868, was the first attempt by Cuba to secure its independence from Spain?
...that the Roman era of the early history of Switzerland began when the armies of Julius Caesar drove the Helvetii back from Gaul?
...that the year and a day rule regarding homicide was abolished because of advances in medicine and forensic science?
...that the United States District Court for the Northern Mariana Islands is the only United States district court without an associated United States Attorney's Office?
...that the Angolan War of Independence lasted from 1961 until 1989, even though Portugal left Angola in 1975?
...that among those who do not believe John the Apostle was the author of the Johannine works of the Bible, John the Evangelist is the most commonly mentioned possible alternative author?
...that the Great Train Robbery of 1963 is the best-known example of the type of mail fraud known as "theft from the mails"?
...that toilets in Japan are among most technologically advanced toilets in the world today?
...that active camouflage would allow people to change clothing color or luminosity like chameleons and blend into their surroundings?
...that American late-night talk-show host Johnny Carson was once a writer for The Red Skelton Show?
...that in mathematics, an Apollonian gasket is a fractal generated from three circles, any two of which are tangent to one another?
...that the style and subject matter of German Expressionism, which produced movies like Nosferatu, influenced film genres like horror and film noir?
...that the yobidashi serves as a sumo wrestler's handyman, promoter and assistant?
...that when the John Bull ran under its own power in 1981 it became the oldest operable steam locomotive in the world?
...that narrow gauge railways are cheaper to build than standard gauges railways and are common in the developing world?
...that developing countries hoping to participate in globalization are experimenting with a United States-originated economic policy called Rubinomics?
...that the visit of King George IV to Scotland in 1822 led to the reinvigoration of the kilt and tartan as symbols of Scottish national identity?
...that the evolution of Hawaiian volcanoes ends with the Guyot Stage, and that most, if not all, the volcanoes west of Kure Atoll are guyots?
...that in high energy physics experiments, wire chambers are used to detect the path of particles emitted from the collisions in particle accelerators?
...that zoomusicology is the study of sounds, vocalizations, and the organization of the noisy communications of animals?
...that the Berlaymont building in Brussels, Belgium houses European Commission headquarters?
...that pre-dreadnought battleships saw their most notable service in the Russo-Japanese War of 1904-1905?
...that the album Louder Than Bombs by The Smiths consisted of all singles and B-sides that hadn't been released before in the United States?
...that a person having ordinary skill in the art is a legal fiction used by the patent law to check if an invention is too obvious?
...that at age 19 after Barry Watson lost his job as a soap opera child star, he used to park cars at the House of Blues nightclub in Los Angeles?
...that dragon's teeth were square-pyramidal concrete fortifications used during the World War II to impede the movement of tanks?
...that the movie I Am Cuba was filmed in 1964 as Cold War Soviet propaganda but only became widely viewed internationally when it was shown to audiences in the United States in 1994?
...that in 1968, Swedish pentathlete Hans-Gunnar Liljenwall became the first Olympian disqualified for drug use, for drinking two beers?
...that cotton candy was first sold to the public at the 1904 St. Louis World's Fair?
...that, unlike corporate creations Betty Crocker and Ronald McDonald, food-brand icon Chef Boyardee was real?
...that the books and manuscripts in the Renaissance-era Cotton library were categorized by their location relative to busts of caesars shelved alongside them?
...that the Astrakhan Cossack army existed from 1737 until 1919 when they were defeated alongside their White Russian allies during the Russian Civil War?
...that the Tomb of the Unknown Soldier, Warsaw holds the remains of a Polish soldier killed at the Battle of Lvov in 1919?
...that earthquake lights, although described in 373 BCE, were not convincingly documented until the 1960s?
...that Victor Chang AC was a famous Australian heart surgeon who was murdered on July 4, 1991, following an extortion attempt on his family?
...that only fragments of the famous altar triptych by Geertgen tot Sint Jans could be saved after the siege of Haarlem of 1572-1573?
...that Alfred J. Kwak, a duck from a Dutch television cartoon, lives in a clog?
...that the 1974 discovery of the J/ψ meson subatomic particle confirmed the idea that baryonic matter (such as the nuclei of atoms) is made out of quarks and earned Samuel C. C. Ting and Burton Richter the Nobel Prize in Physics?
...that physiological sound localization relies primarily on binaural cues for determining source azimuth, and head-related transfer functions for determining source elevation?