Portal:History

The History Portal

Chivalry

History is the systematic study of the past. As an academic discipline, it analyzes and interprets evidence to construct narratives about what happened and explain why it happened, focusing primarily on the human past. Some theorists categorize history as a social science, while others see it as part of the humanities or consider it a hybrid discipline. Similar debates surround the purpose of history, for example, whether its main aim is theoretical, to uncover the truth, or practical, to learn lessons from the past. In a slightly different sense, the term history refers not to an academic field but to the past itself or to individual texts about the past.

History is a broad discipline encompassing many branches. Some focus on specific time periods, such as ancient history, while others concentrate on particular geographic regions, such as the history of Africa. Thematic categorizations include political history, social history, and economic history. Branches associated with specific research methods include quantitative history, comparative history, and oral history.

Historical research relies on primary and secondary sources to reconstruct past events and validate interpretations. Source criticism is used to evaluate these sources, assessing their authenticity, content, and reliability. Historians integrate the perspectives of several individual sources to develop a coherent narrative. Different schools of thought, such as positivism, the Annales school, Marxism, and postmodernism, have distinct methodological approaches.

History emerged as a field of inquiry in the ancient period to replace myth-infused narratives, with influential early traditions originating in Greece, China, and later also in the Islamic world. Historical writing evolved throughout the ages and became increasingly professional, particularly during the 19th century, when a rigorous methodology and various academic institutions were established. History is related to many fields, including historiography, philosophy, education, and politics. (Full article...)

Featured articles –

Featured articles are displayed here, which represent some of the best content on English Wikipedia.

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  Conant in 1932

  
  James Bryant Conant (March 26, 1893 – February 11, 1978) was an American chemist, a transformative President of Harvard University, and the first U.S. Ambassador to West Germany. Conant obtained a Ph.D. in chemistry from Harvard in 1916.
  
  During World War I, he served in the U.S. Army, where he worked on the development of poison gases, especially Lewisite. He became an assistant professor of chemistry at Harvard University in 1919 and the Sheldon Emery Professor of Organic Chemistry in 1929. He researched the physical structures of natural products, particularly chlorophyll, and he was one of the first to explore the sometimes complex relationship between chemical equilibrium and the reaction rate of chemical processes. He studied the biochemistry of oxyhemoglobin providing insight into the disease methemoglobinemia, helped to explain the structure of chlorophyll, and contributed important insights that underlie modern theories of acid-base chemistry. (Full article...)
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  Officer Commanding No. 91 Wing, Group Captain Charlton (left), Commanding Officer No. 77 Squadron, Squadron Leader Cresswell (right), and members of No. 30 Communications Unit with Lieutenant General Robertson in South Korea, December 1950

  
  No. 91 (Composite) Wing was a Royal Australian Air Force (RAAF) wing that operated during the Korean War and its immediate aftermath. It was established in October 1950 to administer RAAF units deployed in the conflict: No. 77 (Fighter) Squadron, flying North American P-51 Mustangs; No. 30 Communications Flight, flying Austers and Douglas C-47 Dakotas; No. 391 (Base) Squadron; and No. 491 (Maintenance) Squadron. The wing was headquartered at Iwakuni, Japan, as were its subordinate units with the exception of No. 77 Squadron, which was based in Korea and came under the operational control of the United States Fifth Air Force.
  
  No. 30 Communications Flight was re-designated No. 30 Communications Unit in November 1950, and No. 30 Transport Unit a year later, before re-forming as No. 36 (Transport) Squadron in March 1953. It undertook medical evacuation, cargo and troop transport, and courier flights. No. 77 Squadron converted to Gloster Meteor jets between April and July 1951, and operated primarily in the ground attack role from December that year. It remained in Korea on garrison duty following the July 1953 armistice, and returned to Australia in November 1954; No. 491 Squadron disbanded the same month. No. 36 Squadron returned to Australia in March 1955, leaving four aircraft to equip the newly formed RAAF Transport Flight (Japan), which briefly came under No. 91 Wing's control. The following month, No. 391 Squadron and No. 91 Wing headquarters were disbanded. (Full article...)
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  Constitution, dressed overall, fires a 17-gun salute in Boston Harbor, 4 July 2014.

  
  USS Constitution, also known as Old Ironsides, is a three-masted wooden-hulled heavy frigate of the United States Navy. The ship is the world's oldest commissioned naval warship still afloat. The ship was launched in 1797, one of six original frigates authorized for construction by the Naval Act of 1794 and the third constructed. The name "Constitution" was among ten names submitted to President George Washington by Secretary of War Timothy Pickering in March or May the frigates that were to be constructed. Joshua Humphreys designed the frigates to be the young Navy's capital ships, and so Constitution and its sister ships were larger and more heavily armed and built than standard frigates of the period. The ship was built at Edmund Hartt's shipyard in the North End of Boston, Massachusetts. Its first duties were to provide protection for American merchant shipping during the Quasi-War with France and to defeat the Barbary pirates in the First Barbary War.
  
  Constitution is most noted for its actions during the War of 1812 against the United Kingdom, when the ship captured numerous merchant ships and defeated five British warships: HMS Guerriere, Java, Pictou, Cyane, and Levant. The battle with Guerriere earned itself the nickname "Old Ironsides", adding on the public adoration that had repeatedly saved it from scrapping. The ship continued to serve as flagship in the Mediterranean and African squadrons, and the ship circled the world in the 1840s. During the American Civil War, the ship served as a training ship for the United States Naval Academy. The ship carried American artwork and industrial displays to the Paris Exposition of 1878. (Full article...)
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  Miniature from the Madrid Skylitzes version of the chronicle of John Skylitzes depicting Thomas, on horseback and dressed as a Byzantine emperor, negotiating with the Arabs. The rebellion of Thomas is one of the most richly illustrated episodes in the chronicle.

  
  Thomas the Slav (Greek: Θωμᾶς, romanized: Thōmas, c. 760 – October 823) was a 9th-century Byzantine military commander, most notable for leading a wide-scale revolt in 821–23 against Emperor Michael II the Amorian (r. 820–829).
  
  An army officer of Slavic origin from the Pontus region (now north-eastern Turkey), Thomas rose to prominence, along with the future emperors Michael II and Leo V the Armenian (r. 813–820), under the protection of general Bardanes Tourkos. After Bardanes' failed rebellion in 803, Thomas fell into obscurity until Leo V's rise to the throne, when Thomas was raised to a senior military command in central Asia Minor. After the murder of Leo and usurpation of the throne by Michael the Amorian, Thomas revolted, claiming the throne for himself. Thomas quickly secured support from most of the themes (provinces) and troops in Asia Minor, defeated Michael's initial counter-attack and concluded an alliance with the Abbasid Caliphate. After winning over the maritime themes and their ships as well, he crossed with his army to Europe and laid siege to Constantinople. The imperial capital withstood Thomas's attacks by land and sea, while Michael II called for help from the Bulgarian Khan Omurtag. Omurtag attacked Thomas's army, but although repelled, the Bulgarians inflicted heavy casualties on Thomas's men, who broke and fled when Michael took to the field a few months later. Thomas and his supporters sought refuge in Arcadiopolis, where he was soon blockaded by Michael's troops. In the end, Thomas's supporters surrendered him in exchange for a pardon, and he was executed. (Full article...)
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  Contemporary engraving of the vessel. The accuracy of the image is not known.

  
  CSS Baltic was an ironclad warship that served in the Confederate States Navy during the American Civil War. A towboat before the war, she was purchased by the state of Alabama in December 1861 for conversion into an ironclad. After being transferred to the Confederate Navy in May 1862 as an ironclad, she served on Mobile Bay off the Gulf of Mexico. Baltic's condition in Confederate service was such that naval historian William N. Still Jr. has described her as "a nondescript vessel in many ways". Over the next two years, parts of the ship's wooden structure were affected by wood rot. Her armor was removed to be put onto the ironclad CSS Nashville in 1864. By that August, Baltic had been decommissioned. Near the end of the war, she was taken up the Tombigbee River, where she was captured by Union forces on May 10, 1865. An inspection of Baltic the next month found that her upper hull and deck were rotten and that her boilers were unsafe. She was sold on December 31, and was likely broken up in 1866. (Full article...)
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  The frontispiece of the 1920 edition of Tod's Annals and Antiquities of Rajast'han

  
  Lieutenant-Colonel James Tod (20 March 1782 – 18 November 1835) was an officer of the British East India Company and an Oriental scholar. He combined his official role and his amateur interests to create a series of works about the history and geography of India, and in particular the area then known as Rajputana that corresponds to the present day state of Rajasthan, and which Tod referred to as Rajast'han.
  
  Tod was born in London and educated in Scotland. He joined the East India Company as a military officer and travelled to India in 1799 as a cadet in the Bengal Army. He rose quickly in rank, eventually becoming captain of an escort for an envoy in a Sindian royal court. After the Third Anglo-Maratha War, during which Tod was involved in the intelligence department, he was appointed Political Agent for some areas of Rajputana. His task was to help unify the region under the control of the East India Company. During this period Tod conducted most of the research that he would later publish. Tod was initially successful in his official role, but his methods were questioned by other members of the East India Company. Over time, his work was restricted and his areas of oversight were significantly curtailed. In 1823, owing to declining health and reputation, Tod resigned his post as Political Agent and returned to England. (Full article...)
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  T5's sister ship, T3, the only significant external difference was that T5 had two funnels

  
  T5 was a sea-going torpedo boat operated by the Royal Yugoslav Navy between 1921 and 1941. Originally 87 F, a 250t-class torpedo boat of the Austro-Hungarian Navy built in 1914–1915, she was armed with two 66 mm (2.6 in) guns and four 450 mm (17.7 in) torpedo tubes, and could carry 10–12 naval mines. She saw active service during World War I, performing convoy, patrol, escort and minesweeping tasks, anti-submarine operations and shore bombardment missions. In 1917 the suffixes of all Austro-Hungarian torpedo boats were removed, and thereafter she was referred to as 87. She was part of the escort force for the Austro-Hungarian dreadnought Szent István during the action that resulted in the sinking of that ship by Italian torpedo boats in June 1918, and rescued many of her crew.
  
  Following Austria-Hungary's defeat in 1918, 87 was allocated to the Navy of the Kingdom of Serbs, Croats and Slovenes, which later became the Royal Yugoslav Navy, and was renamed T5. At the time, she and the seven other 250t-class boats were the only modern sea-going vessels of the fledgling maritime force. During the interwar period, T5 and the rest of the navy were involved in exercises of training and cruises to friendly ports, but activity was limited by reduced naval budgets. The boat was captured by the Italians during the German-led Axis invasion of Yugoslavia in April 1941. After her main armament was modernised, she served with the Royal Italian Navy under her Yugoslav designation, conducting coastal and second-line escort duties in the Adriatic Sea. Following the Italian capitulation in September 1943, she was returned to the Royal Yugoslav Navy-in-exile and continued serving as T5. At the end of the war, she was transferred to the new Yugoslav Navy and served as Cer in guard ship, patrol ship and training ship roles until she was stricken off the naval register in 1963 and scrapped soon after. (Full article...)
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  RAAF area command boundaries in 1944

  
  Area commands were the major operational and administrative formations of the Royal Australian Air Force (RAAF) between 1940 and 1954. Established in response to the outbreak of World War II, they underpinned the Air Force's geographically based command-and-control system for the duration of the conflict and into the early years of the Cold War, until being superseded by a functional control system made up of Home, Training, and Maintenance Commands.
  
  The area commands and their responsibilities evolved over time according to changing circumstances. The RAAF established four commands to begin with in 1940–41: Southern Area, Central Area, Western Area, and Northern Area. They oversaw most of the operations, training and maintenance within their boundaries. A concession to functional control occurred in mid-1941, when the Air Force formed two groups that assumed the training role of the southern and eastern states; Central Area was disbanded and most of its units taken over by Northern and Southern Areas, and the newly formed No. 2 (Training) Group. The area structure was further revised in 1942, following the outbreak of the Pacific War; Northern Area was split into North-Eastern Area and North-Western Area, and a new command, Eastern Area, was created, making a total of five commands. The same year, the RAAF formed two functional groups that assumed the maintenance role of the area commands; the latter focussed on operations until the end of hostilities. A new area command covering RAAF units in New Guinea, Northern Command, was formed in 1944 and dissolved soon after the war. (Full article...)
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  Gold dinar minted in the name of Nizar at Alexandria in 1095

  
  Abu Mansur Nizar ibn al-Mustansir (Arabic: أبو منصور نزار بن المستنصر, romanized: Abū Manṣūr Nizār ibn al-Mustanṣir; 1045–1095) was a Fatimid prince, and the oldest son of the eighth Fatimid caliph and eighteenth Isma'ili imam, al-Mustansir. When his father died in December 1094, the powerful vizier, al-Afdal Shahanshah, raised Nizar's younger brother al-Musta'li to the throne in Cairo, bypassing the claims of Nizar and other older sons of al-Mustansir. Nizar escaped Cairo, rebelled and seized Alexandria, where he reigned as caliph with the regnal name al-Mustafa li-Din Allah (Arabic: المصطفى لدين الله, romanized: al-Muṣṭafā li-Dīn Allāh). In late 1095 he was defeated and taken prisoner to Cairo, where he was executed by immurement.
  
  During the 12th century, some of Nizar's actual or claimed descendants tried, without success, to seize the throne from the Fatimid caliphs. Many Isma'ilis, especially in Persia, rejected al-Musta'li's imamate and considered Nizar as the rightful imam. As a result, they split off from the Fatimid regime and founded the Nizari branch of Isma'ilism, with their own line of imams who claimed descent from Nizar. This line continues to this day in the person of the Aga Khan. (Full article...)
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  The siege of Nice by a Franco-Ottoman fleet in 1543 (drawing by Toselli, after an engraving by Aeneas Vico)

  
  The Italian War of 1542–1546 was a conflict late in the Italian Wars, pitting Francis I of France and Suleiman I of the Ottoman Empire against the Holy Roman Emperor Charles V and Henry VIII of England. The course of the war saw extensive fighting in Italy, France, and the Low Countries, as well as attempted invasions of Spain and England. The conflict was inconclusive and ruinously expensive for the major participants.
  
  The war arose from the failure of the Truce of Nice, which ended the Italian War of 1536–1538, to resolve the long-standing conflict between Charles and Francis—particularly their conflicting claims to the Duchy of Milan. Having found a suitable pretext, Francis once again declared war against his perpetual enemy in 1542. Fighting began at once throughout the Low Countries; the following year saw the Franco-Ottoman alliance's attack on Nice, as well as a series of maneuvers in Northern Italy which culminated in the bloody Battle of Ceresole. Charles and Henry then proceeded to invade France, but the long sieges of Boulogne-sur-Mer and Saint-Dizier prevented a decisive offensive against the French. (Full article...)
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  YF-23 flying over Edwards Air Force Base.

  
  The Northrop/McDonnell Douglas YF-23 is an American single-seat, twin-engine, stealth fighter technology demonstrator prototype designed for the United States Air Force (USAF). The design team, with Northrop as the prime contractor, was a finalist in the USAF's Advanced Tactical Fighter (ATF) demonstration/validation competition, battling the YF-22 team for full-scale development and production. Two YF-23 prototypes were built.
  
  In the 1980s, the USAF began looking for a replacement for its F-15 fighter aircraft to more effectively counter emerging threats such as the Soviet Union's advanced Su-27 and MiG-29. Several companies submitted design proposals; the USAF selected proposals from Northrop and Lockheed for demonstration/validation. Northrop teamed up with McDonnell Douglas to develop the YF-23, while Lockheed, Boeing, and General Dynamics developed the YF-22. The YF-23 was stealthier and faster, but less agile than its competitor. After a four-year development and evaluation process, the YF-22 team was announced as the winner in 1991 and developed the F-22 Raptor, which first flew in 1997 and entered service in 2005. The U.S. Navy considered using a naval version of the ATF as an F-14 replacement, but these plans were later canceled due to costs. (Full article...)
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  Mezzotint of Hardy by John Faber the Younger, based on an earlier portrait by Michael Dahl

  
  Rear-Admiral Sir Thomas Hardy (13 September 1666 – 16 August 1732) was a Royal Navy officer of the late 17th and early 18th centuries. Having joined the navy sometime before 1688, Hardy's career was supported by Captain George Churchill, whom he served as first lieutenant during the Battle of Barfleur in 1692. Promoted to captain in 1693, Hardy served in the Channel Islands and off the coast of England until 1702 when he was given command of HMS Pembroke off the coast of Spain. He fought at the Battle of Cádiz, and subsequently discovered the location of the Franco-Spanish fleet through the intervention of his chaplain, which resulted in the Battle of Vigo Bay. Hardy was knighted for his services.
  
  Having commanded several ships in the Mediterranean Fleet, in 1706 Hardy was given command of a small squadron in the west of the English Channel tasked with protecting arriving merchant ships. In 1707 Hardy was sent as escort to a 200-ship convoy sailing for Lisbon. While conveying the ships he met with the squadron of René Duguay-Trouin in late August, chasing him until dusk before returning to shepherd the convoy. Hardy returned to England in September and was court martialled in the following month for not fully engaging Duguay-Trouin. He was acquitted but was further investigated by a panel from the Admiralty and committees of the Houses of Commons and Lords, which again exonerated him. (Full article...)
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  Portrait of al-Kharrat

  
  Abu Muhammad Hasan al-Kharrat (Arabic: حسن الخراط Ḥassan al-Kharrāṭ; 1861 – 25 December 1925) was a Syrian revolutionary and one of the principal rebel commanders of the Great Syrian Revolt against the French Mandate. His main area of operations was in Damascus and its Ghouta countryside. He was killed in action during the revolt and is considered a hero by Syrians.
  
  As the qabaday (local youths boss) of the al-Shaghour quarter of Damascus, al-Kharrat was connected with Nasib al-Bakri, a nationalist from the quarter's most influential family. At al-Bakri's invitation, al-Kharrat joined the revolt in August 1925 and formed a group of fighters from al-Shaghour and other neighborhoods in the vicinity. He led the rebel assault against Damascus, briefly capturing the residence of French High Commissioner of the Levant Maurice Sarrail before withdrawing amid heavy French bombardment. (Full article...)
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  In a famous council on April 27, 1763, Pontiac urged listeners to rise up against the British (19th century engraving by Alfred Bobbett)

  
  Pontiac's War (also known as Pontiac's Conspiracy or Pontiac's Rebellion) was launched in 1763 by a confederation of Native Americans who were dissatisfied with British rule in the Great Lakes region following the French and Indian War (1754–1763). Warriors from numerous nations joined in an effort to drive British soldiers and settlers out of the region. The war is named after Odawa leader Pontiac, the most prominent of many Indigenous leaders in the conflict.
  
  The war began in May 1763 when Native Americans, alarmed by policies imposed by British General Jeffrey Amherst, attacked a number of British forts and settlements. Nine forts were destroyed, and hundreds of colonists were killed or captured, with many more fleeing the region. Hostilities came to an end after successful British Army expeditions in 1764 led to peace negotiations over the next two years. The Natives were unable to drive away the British, but the uprising prompted the British government to modify the policies that had provoked the conflict. (Full article...)
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  The IFF Mark II antenna on this Spitfire can just be made out, stretching across the rear fuselage from the roundel to the tip of the horizontal stabiliser.

  
  
  IFF Mark II was the first operational identification friend or foe system. It was developed by the Royal Air Force just before the start of World War II. After a short run of prototype Mark Is, used experimentally in 1939, the Mark II began widespread deployment at the end of the Battle of Britain in late 1940. It remained in use until 1943, when it began to be replaced by the standardised IFF Mark III, which was used by all Allied aircraft until long after the war ended.
  
  The Mark I was a simple system that amplified the signals of the British Chain Home radar systems, causing the aircraft's "blip" to extend on the radar display, identifying the aircraft as friendly. Mark I had the problem that the gain had to be adjusted in flight to keep it working; in the field, it was correct only half the time. Another problem was that it was sensitive to only one frequency and had to be manually tuned to different radar stations. In 1939, Chain Home was the only radar of interest and operated on a limited set of frequencies but new radars were already entering service and the number of frequencies was beginning to multiply. (Full article...)

Featured picture

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  Map of the Battle of the Somme

  Map: Grandiose

  The Battle of the Somme was a battle of the First World War fought between 1 July and 18 November 1916 by the armies of the British and French empires against the German Empire. The largest battle of World War I on the Western Front, it was fought on both sides of upper reaches of the River Somme in France. More than one million men were wounded or killed, making it one of the bloodiest battles in human history.
  
  This map shows the situation on the first day on the Somme, as well as Allied gains up to 19 November 1916.
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  Machu Picchu

  Photo: Martin St-Amant

  Machu Picchu, a 15th-century Peruvian Inca site located 2,430 metres (7,970 ft) above sea level, as viewed from Huayna Picchu. Established c. 1450, the settlement was abandoned at the time of the Spanish Conquest the following century. Although it remained known locally, it was not brought to international attention until after Hiram Bingham visited the site in 1911. Machu Picchu is now a popular tourist destination and UNESCO World Heritage Site, and restoration efforts are ongoing.
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  Wilhelmina of the Netherlands

  Engraver: George J. Verbeck, after Thérèse van Duyl Schwarze
  Restoration: Lise Broer

  A 1901 etching of Queen Wilhelmina of the Netherlands, based on an 1898 painting of her in her coronation robe. Having assumed the throne at the age of ten after the death of her father, King William III, Wilhemina ruled for fifty-eight years (1890–1948), longer than any other Dutch monarch. In 1948 she abdicated in favor of her daughter Juliana, thereafter making few public appearances until the country was devastated by the North Sea flood of 1953.
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  1906 San Francisco earthquake

  Photo credit: H. D. Chadwick

  The Mission District of San Francisco, California, burning in the aftermath of the 1906 San Francisco earthquake. As damaging as the earthquake and its aftershocks were, the fires that burned out of control afterward were much more destructive.
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  Warsaw Ghetto Uprising

  Photo credit: USHMM

  Jews captured by SS and SD troops during the suppression of the Warsaw Ghetto Uprising are forced to leave their shelter and march to the Umschlagplatz for deportation. The SD trooper pictured second from the right, is Josef Blösche, who was identified by Polish authorities using this photograph. Blösche was tried for war crimes in Erfurt, East Germany in 1969, sentenced to death and executed in July of that year.
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  Cliff Palace

  Photo credit: Gustaf Nordenskiöld

  An 1891 photograph of Cliff Palace, the largest cliff dwelling—a structure built within caves and under outcroppings in cliffs—in North America, located in what is now Mesa Verde National Park, Colorado, USA. There are about 150 rooms in the 288 ft (88 m) long structure, although only 25 to 30 of those were used as living space by Ancient Pueblo Peoples. it is estimated that the population of Cliff Palace was roughly 100–150 people.
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  Magna Carta

  Document: John, King of England, his barons and Stephen Langton

  Cotton MS Augustus II.106, one of four surviving exemplifications of Magna Carta. This document, sealed by King John of England on 15 June 1215 (O.S.), was drafted by the Archbishop of Canterbury to make peace between the unpopular king and a group of rebel barons. The charter promised the protection of church rights, protection for the barons from illegal imprisonment, access to swift justice, and limitations on feudal payments to the Crown.
  The document was reissued and renewed several times over the centuries, though its political impact decreased as later laws were passed. The charter was significant because the king had agreed to limit his power, so that although it dealt predominantly with the king and the barons, since the late 16th century it has been considered a symbol of liberty and the freedom of the individual.
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  Knight

  Illustration: Anton Sorg; Restoration: Lise Broer

  A knight, a member of the warrior class of the Middle Ages in Europe, in Gothic plate armour, from a German book illustration published 1483. The modern concept of the knight is as an elite warrior sworn to uphold the values of chivalry, faith, loyalty, courage and honour. Knighthood as known in Medieval Europe was characterized by the combination of two elements: feudalism and service as a mounted combatant. Both arose under the reign of the Holy Roman Emperor Charlemagne, from which the knighthood of the Middle Ages can be seen to have had its genesis.
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  Shiva

  Photo: Los Angeles County Museum of Art

  A Chola dynasty sculpture depicting Shiva. In Hinduism, Shiva is the deity of destruction and one of the most important gods; in this sculpture he is dancing as Nataraja, the divine dancer who unravels the world in preparation for it being remade by Brahma.
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  Operation Ivy

  Photo: United States Department of Energy

  The mushroom cloud from the Ivy Mike nuclear test, one of two tests conducted as part of Operation Ivy at the Pacific Proving Grounds on Elugelab in the Marshall Islands. Mike was the first successful full-scale test of a multi-megaton thermonuclear weapon, and it left an underwater crater 6,240 ft (1,900 m) wide and 164 ft (50 m) deep where the island had been.
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  Machu Picchu

  Photo: Martin St-Amant

  Machu Picchu, with the peak Huayna Picchu behind it. Perhaps the most famous Inca site, Machu Picchu is situated on a mountain ridge above the Urubamba Valley in Peru. It was probably built as an estate for the Inca emperor Pachacuti in the 15th century, but abandoned soon after during the Spanish conquest of the Inca Empire. Although known locally, it was unknown to the outside world before being brought to international attention in 1911 by the American historian Hiram Bingham, and it is now an important tourist attraction.
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  Trumbull's Declaration of Independence

  Painting credit: John Trumbull

  John Trumbull's Declaration of Independence, a 12 by 18 feet (3.7 by 5.5 m) oil painting depicting the presentation of a draft of the United States Declaration of Independence to the Second Continental Congress. While this event did take place, it was not actually in the presence of all the people in the picture. The painting can be found in the rotunda of the United States Capitol.
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  Arg-e Bam

  Photograph credit: Diego Delso

  The Arg-e Bam, in Kerman Province in southeastern Iran, is the largest adobe building in the world and a UNESCO World Heritage Site. The ancient citadel has a history dating back around two thousand years, to the Parthian Empire (248 BC – 224 AD), but most of its buildings were constructed during the Safavid dynasty. A strong earthquake on 26 December 2003 largely devastated the fortress and the nearby modern city of Bam. The Arg-e Bam, including the governor's residence, the main tower, the Four Seasons Palace and the hammam, were nearly totally destroyed; this photograph from 2016 shows the citadel partially reconstructed.
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  Arecibo message

  Graphic: Arne Nordmann

  A color visual interpretation of the digital signal in the Arecibo message, sent in 1974 from the Arecibo Observatory. Broadcast into space via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo radio telescope in Puerto Rico, the message consisted of 1,679 binary digits, approximately 210 bytes, transmitted at a frequency of 2,380 MHz. It was aimed at the Great Globular Cluster in Hercules, some 25,000 light-years away, and contains information related to mathematics, chemistry, and astronomy.
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  Kalmar Union

  Image credit: Julius Magnus Petersen

  A medieval ship flag captured by forces from Lübeck in the 1420s showed the arms of Denmark, Sweden, Norway and Pomerania. At the time, Denmark, Norway and Sweden were united in the Kalmar Union. The flag is believed to originate from the reign of king Eric of Pomerania due to its inclusion of Pomerania's griffin symbol. For the following five hundred years, the flag was displayed as a war trophy in a Lübeck church until destroyed during a World War II air raid on the city. An 1880s copy of the flag is preserved in the museum at Frederiksborg Palace, Denmark. The saint accompanying the Virgin Mary and infant Christ is Saint James the Greater, identified by his scallop shell emblem. The flag was made of coarse linen. All figures and heraldic insignia were created using oil-based paint.
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  Khoikhoi

  Artist: Samuel Daniell

  An 1805 depiction of a Khoikhoi family dismantling their huts, preparing to move to new pastures. The Khoikhoi are a native people of southwestern Africa, closely related to the Bushmen. Most of the Khoikhoi have largely disappeared as a group, except for the largest group, the Namas.
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  The "Theatre" at Petra

  Photo: Douglas Perkins

  Petra is an archaeological site in Jordan, lying in a basin among the mountains which form the eastern flank of Wadi Araba, the great valley running from the Dead Sea to the Gulf of Aqaba. It is famous for having many stone structures carved into the rock.
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  Siege of Sevastopol (1854–1855)

  Artist: William Simpson; Restoration: Lise Broer

  A lithograph of a watercolour painting depicting soldiers transporting winter clothing, lumber for huts, and other supplies through a snow-covered landscape, with partially buried dead horses along the roadside, to the British camps, during the Siege of Sevastopol of the Crimean War. In the winter, a storm ruined the camps and supply lines of the Allied forces (France, Britain and the Ottoman Empire). Men and horses became sick and starved in the poor conditions.

Did you know (auto generated)

• ... that the market hall of Niort opened in 1871 and has been listed as a historic monument since 1987?
• ... that the radio program Radio City Music Hall of the Air employed approximately 10,000 musicians during the first eight years of its broadcast history?
• ... that American Colossus, a history book that describes how a banker bailed out the U.S. government in 1895, was published around a time when the U.S. government bailed out banks?
• ... that despite his distinguished family history, musicologist Yuri Shcherbinin told friends that "what matters most is what you are, not who your ancestors were"?
• ... that Reconstructing Womanhood by Hazel Carby, about the history of American black women writers, was said to be a "landmark study" and "groundbreaking"?
• ... that Eli N. Evans authored three books about the culture and history of Jews in the American South?

Featured biography –

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Woodcut vignette of Alboin in the 1493 Nuremberg Chronicle

Alboin (530s – 28 June 572) was king of the Lombards from about 560 until 572. During his reign the Lombards ended their migrations by settling in Italy, the northern part of which Alboin conquered between 569 and 572. He had a lasting effect on Italy and the Pannonian Basin; in the former, his invasion marked the beginning of centuries of Lombard rule, and in the latter, his defeat of the Gepids and his departure from Pannonia ended the dominance there of the Germanic peoples.

The period of Alboin's reign as king in Pannonia following the death of his father, Audoin, was one of confrontation and conflict between the Lombards and their main neighbours, the Gepids. The Gepids initially gained the upper hand, but in 567, thanks to his alliance with the Avars, Alboin inflicted a decisive defeat on his enemies, whose lands the Avars subsequently occupied. The increasing power of his new neighbours caused Alboin some unease however, and he therefore decided to leave Pannonia for Italy, hoping to take advantage of the Byzantine Empire's vulnerability in defending its territory in the wake of the Gothic War. (Full article...)

On this day

February 15: National Flag of Canada Day; Statehood Day in Serbia; Susan B. Anthony Day in some parts of the United States

Don Dunstan

• 438 – The Codex Theodosianus, a compilation of the laws of the Roman Empire, was published.
• 1763 – Prussia, Saxony and the Habsburg monarchy signed the Treaty of Hubertusburg, ending the Third Silesian War.
• 1940 – The official premiere of Paul Creston's Saxophone Sonata took place at the Carnegie Chamber Hall, with saxophonist Cecil Leeson, who commissioned the work, and Creston on piano.
• 1979 – Don Dunstan (pictured) resigned as Premier of South Australia, ending a decade of sweeping social liberalisation.
• 2018 – Following nationwide protests, Hailemariam Desalegn announced his resignation as prime minister of Ethiopia, remaining in post as a caretaker until he was succeeded by Abiy Ahmed.

• Gisela of Swabia (d. 1043)
• Matt Groening (b. 1954)
• Mo Tae-bum (b. 1989)
• Dawa Dem (d. 2018)

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