Topic: Military history/World War II (Page 5)

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πŸ”— Project Habakkuk, Britain's plan to build an aircraft carrier from ice

πŸ”— Technology πŸ”— Military history πŸ”— Military history/Military aviation πŸ”— Military history/North American military history πŸ”— Military history/Military science, technology, and theory πŸ”— Military history/Weaponry πŸ”— Canada πŸ”— Architecture πŸ”— United Kingdom πŸ”— Military history/Maritime warfare πŸ”— Military history/World War II πŸ”— Engineering πŸ”— Ships πŸ”— Military history/Canadian military history πŸ”— Military history/European military history πŸ”— Military history/British military history

Project Habakkuk or Habbakuk (spelling varies) was a plan by the British during the Second World War to construct an aircraft carrier out of pykrete (a mixture of wood pulp and ice) for use against German U-boats in the mid-Atlantic, which were beyond the flight range of land-based planes at that time. The idea came from Geoffrey Pyke, who worked for Combined Operations Headquarters. After promising scale tests and the creation of a prototype on a lake (Patricia Lake, Jasper National Park) in Alberta, Canada, the project was shelved due to rising costs, added requirements, and the availability of longer-range aircraft and escort carriers which closed the Mid-Atlantic gap the project was intended to address.

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πŸ”— Kilroy Was Here

πŸ”— Military history πŸ”— Military history/North American military history πŸ”— Military history/United States military history πŸ”— Military history/World War II πŸ”— Graffiti

Kilroy was here is a meme that became popular during World War II, typically seen in graffiti. Its origin is debated, but the phrase and the distinctive accompanying doodle became associated with GIs in the 1940s: a bald-headed man (sometimes depicted as having a few hairs) with a prominent nose peeking over a wall with his fingers clutching the wall.

"Mr Chad" or just "Chad" was the version that became popular in the United Kingdom. The character of Chad may have been derived from a British cartoonist in 1938, possibly pre-dating "Kilroy was here". According to Dave Wilton, "Some time during the war, Chad and Kilroy met, and in the spirit of Allied unity merged, with the British drawing appearing over the American phrase." Other names for the character include Smoe, Clem, Flywheel, Private Snoops, Overby, Eugene the Jeep, Scabooch, and Sapo.

According to Charles Panati, "The outrageousness of the graffiti was not so much what it said, but where it turned up." It is not known if there was an actual person named Kilroy who inspired the graffiti, although there have been claims over the years.

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πŸ”— Charge of the Savoia Cavalleria at Izbushensky

πŸ”— Soviet Union πŸ”— Military history πŸ”— Italy πŸ”— Military history/World War II πŸ”— Military history/Russian, Soviet and CIS military history πŸ”— Military history/Italian military history πŸ”— Military history/European military history

The Charge of the "Savoia Cavalleria" at Izbushensky was a clash between the Italian cavalry Regiment "Savoia Cavalleria" (3rd) and the Soviet 812th Rifle Regiment (304th Rifle Division) that took place on August 24, 1942, near the hamlet (khutor) of Izbushensky (Π˜Π·Π±ΡƒΡˆΠ΅Π½ΡΠΊΠΈΠΉ), close to the junction between the Don and Khopyor rivers. Though a minor skirmish in the theatre of operation of the Eastern Front, the Izbushensky charge had great propaganda resonance in Italy and it is still remembered as one of the last significant cavalry charges in history.

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πŸ”— Anti-Tank Dog

πŸ”— Russia πŸ”— Military history πŸ”— Military history/Military science, technology, and theory πŸ”— Military history/Weaponry πŸ”— Dogs πŸ”— Military history/World War II πŸ”— Military history/German military history πŸ”— Military history/Military land vehicles πŸ”— Russia/Russian, Soviet, and CIS military history πŸ”— Military history/Russian, Soviet and CIS military history πŸ”— Russia/history of Russia πŸ”— Military history/European military history

Anti-tank dogs (Russian: собаки-истрСбитСли Ρ‚Π°Π½ΠΊΠΎΠ² sobaki-istrebiteli tankov or ΠΏΡ€ΠΎΡ‚ΠΈΠ²ΠΎΡ‚Π°Π½ΠΊΠΎΠ²Ρ‹Π΅ собаки protivotankovye sobaki; German: Panzerabwehrhunde or Hundeminen, "dog-mines") were dogs taught to carry explosives to tanks, armored vehicles and other military targets. They were intensively trained by the Soviet and Russian military forces between 1930 and 1996, and used from 1941 to 1943, against German tanks in World War II. Initially dogs were trained to leave a timer-detonated bomb and retreat, but this routine was replaced by an impact-detonation procedure which killed the dog in the process. The U.S. military started training anti-tank dogs in 1943 in the same way the Russians used them, but this training exposed several problems and the program was discontinued.

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πŸ”— Iannis Xenakis - Wikipedia, the free encyclopedia

πŸ”— Biography πŸ”— Military history πŸ”— Architecture πŸ”— Greece πŸ”— Military history/Military biography πŸ”— Biography/military biography πŸ”— Military history/World War II πŸ”— Military history/Cold War πŸ”— Dance πŸ”— Composers πŸ”— Dance/Ballet πŸ”— Classical music πŸ”— Military history/Balkan military history πŸ”— Biography/Musicians πŸ”— Military history/European military history

Iannis Xenakis (also spelt as Yannis Xenakis) (Greek: Γιάννης (Ιάννης) ΞžΞ΅Ξ½Ξ¬ΞΊΞ·Ο‚ [ˈʝanis kseˈnacis]; 29 May 1922 – 4 February 2001) was a Greek-French composer, music theorist, architect, performance director and engineer. After 1947, he fled Greece, becoming a naturalized citizen of France. He is considered an important post-World War II composer whose works helped revolutionize 20th-century classical music.

Xenakis pioneered the use of mathematical models in music such as applications of set theory, stochastic processes and game theory and was also an important influence on the development of electronic and computer music. He integrated music with architecture, designing music for pre-existing spaces, and designing spaces to be integrated with specific music compositions and performances.

Among his most important works are Metastaseis (1953–54) for orchestra, which introduced independent parts for every musician of the orchestra; percussion works such as Psappha (1975) and Pléïades (1979); compositions that introduced spatialization by dispersing musicians among the audience, such as Terretektorh (1966); electronic works created using Xenakis's UPIC system; and the massive multimedia performances Xenakis called polytopes, that were a summa of his interests and skills. Among the numerous theoretical writings he authored, the book Formalized Music: Thought and Mathematics in Composition (French edition 1963, English translation 1971) is regarded as one of his most important. As an architect, Xenakis is primarily known for his early work under Le Corbusier: the Sainte Marie de La Tourette, on which the two architects collaborated, and the Philips Pavilion at Expo 58, which Xenakis designed by himself.

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πŸ”— John von Neumann

πŸ”— Biography πŸ”— Computing πŸ”— Mathematics πŸ”— Military history πŸ”— Military history/North American military history πŸ”— Military history/United States military history πŸ”— Military history/Military science, technology, and theory πŸ”— Physics πŸ”— Economics πŸ”— Philosophy πŸ”— Philosophy/Logic πŸ”— Biography/science and academia πŸ”— Philosophy/Philosophy of science πŸ”— Philosophy/Contemporary philosophy πŸ”— Military history/Military biography πŸ”— Biography/military biography πŸ”— History of Science πŸ”— Computing/Computer science πŸ”— Philosophy/Philosophers πŸ”— Education πŸ”— Hungary πŸ”— Military history/World War II πŸ”— Military history/Cold War πŸ”— Physics/History πŸ”— Physics/Biographies πŸ”— Game theory πŸ”— Eastern Europe

John von Neumann (; Hungarian: Neumann JΓ‘nos Lajos, pronouncedΒ [ˈnΙ’jmΙ’n ˈjaːnoΚƒ ˈlΙ’joΚƒ]; December 28, 1903 – FebruaryΒ 8, 1957) was a Hungarian-American mathematician, physicist, computer scientist, engineer and polymath. Von Neumann was generally regarded as the foremost mathematician of his time and said to be "the last representative of the great mathematicians"; who integrated both pure and applied sciences.

He made major contributions to a number of fields, including mathematics (foundations of mathematics, functional analysis, ergodic theory, representation theory, operator algebras, geometry, topology, and numerical analysis), physics (quantum mechanics, hydrodynamics, and quantum statistical mechanics), economics (game theory), computing (Von Neumann architecture, linear programming, self-replicating machines, stochastic computing), and statistics.

He was a pioneer of the application of operator theory to quantum mechanics in the development of functional analysis, and a key figure in the development of game theory and the concepts of cellular automata, the universal constructor and the digital computer.

He published over 150 papers in his life: about 60 in pure mathematics, 60 in applied mathematics, 20 in physics, and the remainder on special mathematical subjects or non-mathematical ones. His last work, an unfinished manuscript written while he was in hospital, was later published in book form as The Computer and the Brain.

His analysis of the structure of self-replication preceded the discovery of the structure of DNA. In a short list of facts about his life he submitted to the National Academy of Sciences, he stated, "The part of my work I consider most essential is that on quantum mechanics, which developed in GΓΆttingen in 1926, and subsequently in Berlin in 1927–1929. Also, my work on various forms of operator theory, Berlin 1930 and Princeton 1935–1939; on the ergodic theorem, Princeton, 1931–1932."

During World War II, von Neumann worked on the Manhattan Project with theoretical physicist Edward Teller, mathematician StanisΕ‚aw Ulam and others, problem solving key steps in the nuclear physics involved in thermonuclear reactions and the hydrogen bomb. He developed the mathematical models behind the explosive lenses used in the implosion-type nuclear weapon, and coined the term "kiloton" (of TNT), as a measure of the explosive force generated.

After the war, he served on the General Advisory Committee of the United States Atomic Energy Commission, and consulted for a number of organizations, including the United States Air Force, the Army's Ballistic Research Laboratory, the Armed Forces Special Weapons Project, and the Lawrence Livermore National Laboratory. As a Hungarian Γ©migrΓ©, concerned that the Soviets would achieve nuclear superiority, he designed and promoted the policy of mutually assured destruction to limit the arms race.

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πŸ”— Battle of Los Angeles

πŸ”— California πŸ”— Military history πŸ”— Military history/North American military history πŸ”— Military history/United States military history πŸ”— Military history/World War II πŸ”— Paranormal πŸ”— California/Southern California

The Battle of Los Angeles, also known as the Great Los Angeles Air Raid, is the name given by contemporary sources to a rumored attack on the mainland United States by Imperial Japan and the subsequent anti-aircraft artillery barrage which took place from late 24 February to early 25 February 1942, over Los Angeles, California. The incident occurred less than three months after the U.S. entered World War II in response to the Imperial Japanese Navy's surprise attack on Pearl Harbor, and one day after the bombardment of Ellwood near Santa Barbara on 23 February. Initially, the target of the aerial barrage was thought to be an attacking force from Japan, but speaking at a press conference shortly afterward, Secretary of the Navy Frank Knox called the purported attack a "false alarm". Newspapers of the time published a number of reports and speculations of a cover-up.

When documenting the incident in 1949, the United States Coast Artillery Association identified a meteorological balloon sent aloft at 1:00Β am as having "started all the shooting" and concluded that "once the firing started, imagination created all kinds of targets in the sky and everyone joined in". In 1983, the U.S. Office of Air Force History attributed the event to a case of "war nerves" triggered by a lost weather balloon and exacerbated by stray flares and shell bursts from adjoining batteries.

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πŸ”— Wojtek

πŸ”— Military history πŸ”— Poland πŸ”— Military history/World War II πŸ”— Scotland πŸ”— Zoo

Wojtek (1942 – 2 December 1963; Polish pronunciation:Β [ˈvΙ”jtΙ›k]; in English, sometimes spelled Voytek and pronounced as such) was a Syrian brown bear (Ursus arctos syriacus) bought, as a young cub, at a railway station in Hamadan, Iran, by Polish II Corps soldiers who had been evacuated from the Soviet Union. In order to provide for his rations and transportation, he was eventually enlisted officially as a soldier with the rank of private, and was subsequently promoted to corporal.

He accompanied the bulk of the II Corps to Italy, serving with the 22nd Artillery Supply Company. During the Battle of Monte Cassino, in Italy in 1944, Wojtek helped move crates of ammunition and became a celebrity with visiting Allied generals and statesmen. After the war, mustered out of the Polish Army, he was billeted and lived out the rest of his life at the Edinburgh Zoo in Scotland.

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πŸ”— John Boyd

πŸ”— Biography πŸ”— Aviation πŸ”— Military history πŸ”— Military history/Military aviation πŸ”— Military history/North American military history πŸ”— Military history/United States military history πŸ”— Military history/Military biography πŸ”— Biography/military biography πŸ”— Aviation/aerospace biography project πŸ”— Military history/World War II πŸ”— Military history/Cold War πŸ”— Pennsylvania

John Richard Boyd (January 23, 1927 – March 9, 1997) was a United States Air Force fighter pilot and Pentagon consultant during the second half of the 20th century. His theories have been highly influential in military, sports, business, and litigation strategies and planning.

As part of the Fighter Mafia, Boyd inspired the Lightweight Fighter program (LWF), which produced the successful General Dynamics F-16 Fighting Falcon and McDonnell Douglas F/A-18 Hornet, which are still in use by the United States and by several other military powers into the 21st century. Boyd, together with Thomas Christie, created the Energy–Maneuverability theory of aerial combat, which became the world standard for the design of fighter aircraft. He also developed the decision cycle known as the OODA loop, the process by which an entity reacts to an event.

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πŸ”— Kristallnacht, the β€œNight of Broken Glass”, was 80 years ago tonight

πŸ”— Germany πŸ”— Military history πŸ”— Military history/World War II πŸ”— Military history/German military history πŸ”— Jewish history πŸ”— Military history/European military history

Kristallnacht (German pronunciation: [kʁΙͺsˈtalnaΟ‡t]) or the Night of Broken Glass, also called the November Pogrom(s), was a pogrom against Jews carried out by SA paramilitary forces and civilians throughout Nazi Germany on 9–10 November 1938. The German authorities looked on without intervening. The name Kristallnacht ("Crystal Night") comes from the shards of broken glass that littered the streets after the windows of Jewish-owned stores, buildings and synagogues were smashed.

Jewish homes, hospitals and schools were ransacked as the attackers demolished buildings with sledgehammers. The rioters destroyed 267 synagogues throughout Germany, Austria and the Sudetenland. Over 7,000 Jewish businesses were damaged or destroyed, and 30,000 Jewish men were arrested and incarcerated in concentration camps. British historian Martin Gilbert wrote that no event in the history of German Jews between 1933 and 1945 was so widely reported as it was happening, and the accounts from foreign journalists working in Germany sent shockwaves around the world. The Times of London observed on 11 November 1938: "No foreign propagandist bent upon blackening Germany before the world could outdo the tale of burnings and beatings, of blackguardly assaults on defenceless and innocent people, which disgraced that country yesterday."

The pretext for the attacks was the assassination of the Nazi German diplomat Ernst vom Rath by Herschel Grynszpan, a 17-year-old German-born Polish Jew living in Paris. Estimates of fatalities caused by the attacks have varied. Early reports estimated that 91 Jews had been murdered. Modern analysis of German scholarly sources puts the figure much higher; when deaths from post-arrest maltreatment and subsequent suicides are included, the death toll climbs into the hundreds, with Richard J. Evans estimating 638 suicide deaths. Historians view Kristallnacht as a prelude to the Final Solution and the murder of six million Jews during the Holocaust.