Portal:History

The History Portal

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History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') is the systematic study and documentation of the human past.

The period of events before the invention of writing systems is considered prehistory. "History" is an umbrella term comprising past events as well as the memory, discovery, collection, organization, presentation, and interpretation of these events. Historians seek knowledge of the past using historical sources such as written documents, oral accounts, art and material artifacts, and ecological markers. History is incomplete and still has debatable mysteries.

History is an academic discipline which uses a narrative to describe, examine, question, and analyze past events, and investigate their patterns of cause and effect. Historians debate which narrative best explains an event, as well as the significance of different causes and effects. Historians debate the nature of history as an end in itself, and its usefulness in giving perspective on the problems of the present.

Stories common to a particular culture, but not supported by external sources (such as the tales surrounding King Arthur), are usually classified as cultural heritage or legends. History differs from myth in that it is supported by verifiable evidence. However, ancient cultural influences have helped create variant interpretations of the nature of history, which have evolved over the centuries and continue to change today. The modern study of history is wide-ranging, and includes the study of specific regions and certain topical or thematic elements of historical investigation. History is taught as a part of primary and secondary education, and the academic study of history is a major discipline in universities.

Herodotus, a 5th-century BC Greek historian, is often considered the "father of history", as one of the first historians in the Western tradition, though he has been criticized as the "father of lies". Along with his contemporary Thucydides, he helped form the foundations for the modern study of past events and societies. Their works continue to be read today, and the gap between the culture-focused Herodotus and the military-focused Thucydides remains a point of contention or approach in modern historical writing. In East Asia, a state chronicle, the Spring and Autumn Annals, was reputed to date from as early as 722 BC, though only 2nd-century BC texts have survived. (Full article...)

Featured articles –

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

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  Hood, 17 March 1924

  
  HMS Hood (pennant number 51) was a battlecruiser of the Royal Navy (RN). Hood was the first of the planned four Admiral-class battlecruisers to be built during the First World War. Already under construction when the Battle of Jutland occurred in mid-1916, that battle revealed serious flaws in her design, and despite drastic revisions she was completed four years later. For this reason, she was the only ship of her class to be completed, as the Admiralty decided it would be better to start with a clean design on succeeding battlecruisers, leading to the never-built G-3 class. Despite the appearance of newer and more modern ships, Hood remained the largest warship in the world for 20 years after her commissioning, and her prestige was reflected in her nickname, "The Mighty Hood".
  
  Hood was involved in many showing-the-flag exercises between her commissioning in 1920 and the outbreak of war in 1939, including training exercises in the Mediterranean Sea and a circumnavigation of the globe with the Special Service Squadron in 1923 and 1924. She was attached to the Mediterranean Fleet following the outbreak of the Second Italo-Ethiopian War in 1935. When the Spanish Civil War broke out the following year, Hood was officially assigned to the Mediterranean Fleet until she had to return to Britain in 1939 for an overhaul. By this time, advances in naval gunnery had reduced Hood's usefulness. She was scheduled to undergo a major rebuild in 1941 to correct these issues, but the outbreak of the Second World War in September 1939 kept the ship in service without the upgrades. (Full article...)
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  Portrait of Lieutenant General Sir Edmund Herring by William Dargie, which won the Archibald Prize in 1945

  
  Lieutenant General Sir Edmund Francis Herring, KCMG, KBE, DSO, MC, KStJ, ED, KC (2 September 1892 – 5 January 1982) was a senior Australian Army officer during the Second World War, Lieutenant Governor of Victoria, and Chief Justice of the Supreme Court of Victoria. A Rhodes scholar, Herring was at New College, Oxford, when the First World War broke out and served with the Royal Field Artillery on the Macedonian front, for which he was awarded the Military Cross and Distinguished Service Order. After the war he carved out a successful career as a barrister and King's Counsel. He also joined the Australian Army, rising to the rank of colonel by 1939.
  
  During the Second World War, Herring commanded the 6th Division Artillery in the Western Desert campaign and the Battle of Greece. In 1942, as a corps commander, he commanded the land forces in the Kokoda Track campaign. The following year, he directed operations in the Salamaua-Lae campaign and Finisterre Range campaign. Herring left his corps to become the longest-serving Chief Justice and Lieutenant Governor of Victoria, serving for three decades. In the latter capacity, he was patron of many charitable organisations. (Full article...)
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  Macedonia (/ˌmæsɪˈdoʊniə/ MASS-ih-DOH-nee-ə; Greek: Μακεδονία), also called Macedon (/ˈmæsɪdɒn/ MASS-ih-don), was an ancient kingdom on the periphery of Archaic and Classical Greece, which later became the dominant state of Hellenistic Greece. The kingdom was founded and initially ruled by the royal Argead dynasty, which was followed by the Antipatrid and Antigonid dynasties. Home to the ancient Macedonians, the earliest kingdom was centered on the northeastern part of the Greek peninsula, and bordered by Epirus to the southwest, Illyria to the northwest, Paeonia to the north, Thrace to the east and Thessaly to the south.
  
  Before the 4th century BC, Macedonia was a small kingdom outside of the area dominated by the great city-states of Athens, Sparta and Thebes, and briefly subordinate to Achaemenid Persia. During the reign of the Argead king Philip II (359–336 BC), Macedonia subdued mainland Greece and the Thracian Odrysian kingdom through conquest and diplomacy. With a reformed army containing phalanxes wielding the sarissa pike, Philip II defeated the old powers of Athens and Thebes in the Battle of Chaeronea in 338 BC. Philip II's son Alexander the Great, leading a federation of Greek states, accomplished his father's objective of commanding the whole of Greece when he destroyed Thebes after the city revolted. During Alexander's subsequent campaign of conquest, he overthrew the Achaemenid Empire and conquered territory that stretched as far as the Indus River. For a brief period, his Macedonian Empire was the most powerful in the world – the definitive Hellenistic state, inaugurating the transition to a new period of Ancient Greek civilization. Greek arts and literature flourished in the new conquered lands and advances in philosophy, engineering, and science spread across the empire and beyond. Of particular importance were the contributions of Aristotle, tutor to Alexander, whose writings became a keystone of Western philosophy. (Full article...)
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  Air Vice Marshal Bill Bostock, 1945

  
  Air Vice Marshal William Dowling Bostock, CB, DSO, OBE (5 February 1892 – 28 April 1968) was a senior commander in the Royal Australian Air Force (RAAF). During World War II he led RAAF Command, the Air Force's main operational formation, with responsibility for the defence of Australia and air offensives against Japanese targets in the South West Pacific Area. His achievements in the role earned him the Distinguished Service Order and the American Medal of Freedom. General Douglas MacArthur described him as "one of the world's most successful airmen".
  
  A veteran of World War I, Bostock first saw combat as a soldier in the Australian Imperial Force at Gallipoli, then as a pilot in the Royal Flying Corps on the Western Front, where he earned the Belgian Croix de guerre. He joined the newly formed RAAF in 1921 and by 1941 had risen to become its third most senior officer, serving as Director of Training from 1930 to 1931, commanding officer of No. 3 Squadron from 1931 to 1936, and Director of Operations and Intelligence from 1938 to 1939. (Full article...)
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  Robert Falcon Scott in 1905

  
  Captain Robert Falcon Scott CVO (6 June 1868 – c. 29 March 1912) was a British Royal Navy officer and explorer who led two expeditions to the Antarctic regions: the Discovery expedition of 1901–04 and the Terra Nova expedition of 1910–13.
  
  On the first expedition, he set a new southern record by marching to latitude 82°S and discovered the Antarctic Plateau, on which the South Pole is located. On the second venture, Scott led a party of five which reached the South Pole on 17 January 1912, less than five weeks after Amundsen's South Pole expedition. A planned meeting with supporting dog teams from the base camp failed, despite Scott's written instructions, and at a distance of 162 miles (261 km) from their base camp at Hut Point and approximately 12.5 miles (20.1 km) from the next depot, Scott and his companions died. When Scott and his party's bodies were discovered, they had in their possession the first Antarctic fossils discovered. The fossils were determined to be from the Glossopteris tree and proved that Antarctica was once forested and joined to other continents. (Full article...)
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  Captain James Newland c.1918

  
  James Ernest Newland, VC (22 August 1881 – 19 March 1949) was an Australian soldier, policeman and a recipient of the Victoria Cross, the highest decoration for gallantry "in the face of the enemy" that can be awarded to members of the British and Commonwealth armed forces. Newland was awarded the Victoria Cross following three separate actions in April 1917, during attacks against German forces retreating to the Hindenburg Line. While in command of a company, Newland successfully led his men in several assaults on German positions and repulsed subsequent counter-attacks.
  
  Born in the Victorian town of Highton, Newland joined the Australian military in 1899 and saw active service during the Second Boer War. He continued to serve in the Australian Army's permanent forces on his return to Australia, and completed several years' service in the artillery. Transferring to the militia in 1907, Newland became a police officer in Tasmania before re-joining the permanent forces in 1910. After the outbreak of the First World War, he was appointed to the Australian Imperial Force and was among the first wave of men to land at Gallipoli. In the following days, Newland was wounded and evacuated to Egypt where he was commissioned as a second lieutenant. (Full article...)
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  Derek Howard Turner (15 May 1931 – 1 August 1985) was an English museum curator and art historian who specialised in liturgical studies and illuminated manuscripts. He worked at the British Museum and the British Library from 1956 until his death, focusing on exhibitions, scholarship, and loans.
  
  Following several years spent at a hospital and at an Anglican Benedictine abbey, Turner found employment in the British Museum's Department of Manuscripts at the age of 25. Serving first as assistant keeper, and later as deputy keeper, within two years of his hiring he helped the museum select manuscripts for purchase from the Dyson Perrins collection and organised his first exhibition; in the 1960s he also took teaching posts at the Universities of Cambridge and East Anglia. (Full article...)
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  The Mercantile Marine Memorial

  
  The Tower Hill Memorial is a pair of Commonwealth War Graves Commission memorials in Trinity Square Gardens, on Tower Hill in London, England. The memorials, one for the First World War and one for the Second, commemorate civilian, merchant seafarers and fishermen who were killed as a result of enemy action and have no known grave. The first, the Mercantile Marine War Memorial, was designed by Sir Edwin Lutyens and unveiled in 1928; the second, the Merchant Seamen's Memorial, was designed by Sir Edward Maufe and unveiled in 1955. A third memorial, commemorating merchant seamen who were killed in the 1982 Falklands War, was added to the site in 2005.
  
  The first memorial was commissioned in light of the heavy losses sustained by merchant shipping in the First World War—more than 17,000 people died and some 3,300 British and Empire-registered commercial vessels sunk as a result of enemy action. The Imperial War Graves Commission (IWGC) commissioned Lutyens, who initially designed a massive arch on the banks of the River Thames, but this was rejected by the authorities, to Lutyens' disdain. A compromise was struck, as a result of which the memorial was constructed in Trinity Square Gardens on Tower Hill, a site further from the river but with a long maritime history. The site was Crown land, meaning a special Act of Parliament was required to allow the construction. Queen Mary unveiled the memorial on 12 December 1928 at a ceremony broadcast live on the radio, her first use of the medium. The memorial is a vaulted corridor reminiscent of a Doric temple and similar to Lutyens' structures in cemeteries on the Western Front. The walls are clad with bronze panels which bear the names of the missing. (Full article...)
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  Young in 2002

  
  John Watts Young (September 24, 1930 – January 5, 2018) was an American astronaut, naval officer and aviator, test pilot, and aeronautical engineer. He became the 9th person to walk on the Moon as commander of the Apollo 16 mission in 1972. He is the only astronaut to fly on four different classes of spacecraft: Gemini, the Apollo command and service module, the Apollo Lunar Module and the Space Shuttle.
  
  Before becoming an astronaut, Young received his Bachelor of Science degree in Aeronautical Engineering from the Georgia Institute of Technology and joined the U.S. Navy. After serving at sea during the Korean War he became a naval aviator and graduated from the U.S. Naval Test Pilot School. As a test pilot, he set several world time-to-climb records. Young retired from the Navy in 1976 with the rank of captain. (Full article...)
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  The York City War Memorial is a First World War memorial designed by Sir Edwin Lutyens and located in York in the north of England. Proposals for commemorating York's war dead originated in 1919 but proved controversial. Initial discussions focused on whether a memorial should be a monument or should take on some utilitarian purpose. Several functional proposals were examined until a public meeting in January 1920 opted for a monument. The city engineer produced a cost estimate and the war memorial committee engaged Lutyens, who had recently been commissioned by the North Eastern Railway (NER) to design their own war memorial, also to be sited in York.
  
  Lutyens' first design was approved, but controversy enveloped proposals for both the city's and the NER's memorials. Members of the local community became concerned that the memorials as planned were not in keeping with York's existing architecture, especially as both were in close proximity to the ancient city walls, and that the NER's memorial would overshadow the city's. Continued public opposition forced the committee to abandon the proposed site in favour of one on Leeman Road, just outside the walls, and Lutyens submitted a new design of a War Cross and Stone of Remembrance to fit the location. This was scaled back to the cross alone due to lack of funds. (Full article...)
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  Nelson's Pillar, c. 1830

  
  Nelson's Pillar (also known as the Nelson Pillar or simply the Pillar) was a large granite column capped by a statue of Horatio Nelson, built in the centre of what was then Sackville Street (later renamed O'Connell Street) in Dublin, Ireland. Completed in 1809 when Ireland was part of the United Kingdom, it survived until March 1966, when it was severely damaged by explosives planted by Irish republicans. Its remnants were later destroyed by the Irish Army.
  
  The decision to build the monument was taken by Dublin Corporation in the euphoria following Nelson's victory at the Battle of Trafalgar in 1805. The original design by William Wilkins was greatly modified by Francis Johnston, on grounds of cost. The statue was sculpted by Thomas Kirk. From its opening on 29 October 1809 the Pillar was a popular tourist attraction, but provoked aesthetic and political controversy from the outset. A prominent city centre monument honouring an Englishman rankled as Irish nationalist sentiment grew, and throughout the 19th century there were calls for it to be removed, or replaced with a memorial to an Irish hero. (Full article...)
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  Yamashiro at Tateyama, December 1934

  Yamashiro (山城, "Mountain castle", named for Yamashiro Province) was the second of two Fusō-class dreadnought battleships built for the Imperial Japanese Navy. Launched in 1915 and commissioned in 1917, she initially patrolled off the coast of China, playing no part in World War I. In 1923, she assisted survivors of the Great Kantō earthquake.
  
  Yamashiro was modernized between 1930 and 1935, with improvements to her armor and machinery and a rebuilt superstructure in the pagoda mast style. Nevertheless, with only 14-inch guns, she was outclassed by other Japanese battleships at the beginning of World War II, and played auxiliary roles for most of the war. (Full article...)
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  SMS Seydlitz was a battlecruiser of the German Kaiserliche Marine (Imperial Navy), built in Hamburg. She was ordered in 1910 and commissioned in May 1913, the fourth battlecruiser built for the High Seas Fleet. She was named after Friedrich Wilhelm von Seydlitz, a Prussian general during the reign of King Frederick the Great and the Seven Years' War. Seydlitz represented the culmination of the first generation of German battlecruisers, which had started with the Von der Tann in 1906 and continued with the pair of Moltke-class battlecruisers ordered in 1907 and 1908. Seydlitz featured several incremental improvements over the preceding designs, including a redesigned propulsion system and an improved armor layout. The ship was also significantly larger than her predecessors—at 24,988 metric tons (24,593 long tons; 27,545 short tons), she was approximately 3,000 metric tons heavier than the Moltke-class ships.
  Seydlitz participated in many of the large fleet actions during World War I, including the battles of Dogger Bank and Jutland in the North Sea. The ship suffered severe damage during both engagements; during the Battle of Dogger Bank, a 13.5 in (34.3 cm) shell from the British battlecruiser Lion struck Seydlitz's rearmost turret and nearly caused a magazine explosion that could have destroyed the ship. At the Battle of Jutland she was hit twenty-one times by large-caliber shells, one of which penetrated the working chamber of the aft superfiring turret. Although the resulting fire destroyed the turret, the safety measures imposed after the battle of Dogger Bank prevented a catastrophe. The ship was also hit by a torpedo during the battle, causing her to take in over 5,300 metric tons of water and her freeboard was reduced to 2.5 m. She had to be lightened significantly to permit her crossing of the Jade Bar. The ship inflicted severe damage on her British opponents as well; early in the battle, salvos from both Seydlitz and the battlecruiser Derfflinger destroyed the battlecruiser Queen Mary in seconds. (Full article...)
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  Ducarius Beheads Flaminius at the Battle of Lake Trasimene (1882) by Joseph-Noël Sylvestre

  
  The Battle of Lake Trasimene was fought when a Carthaginian force under Hannibal Barca ambushed a Roman army commanded by Gaius Flaminius on 21 June 217 BC, during the Second Punic War. The battle took place on the north shore of Lake Trasimene, to the south of Cortona, and resulted in a heavy defeat for the Romans.
  
  War had broken out between Rome and Carthage early in 218 BC. Hannibal, ruler of the Carthaginian territories in south-east Iberia, marched an army through Gaul, crossed the Alps and arrived in Cisalpine Gaul (northern Italy) later that year. The Romans rushed reinforcements north from Sicily but were badly defeated at the Battle of the Trebia. (Full article...)
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  Bến Ngự Bridge, the location of the attacks

  
  The Huế chemical attacks occurred on 3 June 1963, when soldiers of the Army of the Republic of Vietnam (ARVN) poured liquid chemicals from tear gas grenades onto the heads of praying Buddhists in Huế, South Vietnam. The Buddhists were protesting against religious discrimination by the regime of the Roman Catholic President Ngô Đình Diệm. The attacks caused 67 people to be hospitalised for blistering of the skin and respiratory ailments.
  
  The protests were part of the Buddhist crisis, during which the Buddhist majority in South Vietnam campaigned for religious equality after nine people were killed by government forces while defying a ban that prevented them from flying the Buddhist flag on Vesak. The incident prompted the United States to privately threaten to withdraw support for Diệm's government and when the Americans finally reduced aid a few months later, the army took it as a green light for a coup. An inquiry determined that the chemical used in the attack was a liquid component from old French tear gas grenades that had never functioned properly. The findings exonerated the ARVN soldiers from charges that they had used poison or mustard gas. The outcry over the attack had already forced Diệm to appoint a panel of three cabinet ministers to meet with Buddhist leaders for negotiations regarding religious equality. The talks led to the signing of the Joint Communique, but the policy changes it provided were not implemented and widespread protests continued, leading to the assassination of Diệm in a military coup. (Full article...)

Featured picture

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  Ziegler Polar Expedition

  Photo credit: Anthony Fiala

  A panorama from the Ziegler Polar Expedition of 1903–05, an unsuccessful attempt to reach the North Pole. The party remained stranded north of the Arctic Circle for two years before being rescued, yet all but one of its members survived.
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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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  Poison gas in World War I

  Photo credit: Frank Hurley

  A group of Australian infantry wearing Small Box Respirators (SBRs) at the Third Battle of Ypres in September 1917. After the introduction of poison gas in World War I, countermeasures were developed. SBRs represented the pinnacle of gas mask development during the war, a mouthpiece connected via a hose to a box filter (hanging around the wearer's neck in this picture), which in turn contained granules of chemicals that neutralised the gas. The SBR was the prized possession of the ordinary infantryman; when the British were forced to retreat during the German Spring Offensive of 1918, it was found that while some troops had discarded their rifles, hardly any had left behind their respirators.
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  Great Sphinx of Giza

  Photo: Maison Bonfils; Restoration: Lise Broer

  A late nineteenth century photo of the partially excavated Great Sphinx of Giza, with the Pyramid of Khafre (left) and the Great Pyramid of Giza (right) behind it. The Sphinx is the oldest known monumental sculpture, and is commonly believed to have been built by ancient Egyptians of the Old Kingdom in the reign of the pharaoh Khafra.
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  Finnish markka

  Banknote credit: Bank of Finland; photographed by Andrew Shiva

  The Finnish markka was the currency of Finland from 1860 to 2002. The currency was divided into 100 pennies and was first introduced by the Bank of Finland to replace the Russian ruble at a rate of four markkaa to one ruble. The markka was replaced by the euro on 1 January 2002 and ceased to be legal tender on 28 February later that year.
  
  This picture shows a 20-markka banknote issued in 1862, as part of the first issue of markka banknotes (1860 to 1862), for the Grand Duchy of Finland, then an autonomous part of the Russian Empire; 1862 was also the first year of issue for this particular denomination. The banknote's obverse depicts the coat of arms of Finland on a Russian double-headed eagle, and was personally signed by the director and the cashier of the Bank of Finland. The text on the obverse is in Swedish, whereas the reverse is primarily in Russian and Finnish.
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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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  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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  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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  Constantinople

  Map credit: Konstantinos Plakidas

  A map of Constantinople, the capital of the Byzantine Empire. Throughout the Middle Ages, Constantinople, strategically located between the Golden Horn and the Sea of Marmara at the point where Europe meets Asia, was Europe's largest and wealthiest city. It was officially renamed to its modern name Istanbul (Turkish: İstanbul) in 1930.
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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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  Temple Square

  Photo: William Henry Jackson; restoration: Tom dl and Mmxx

  An 1899 photochrom showing Temple Square, a 10-acre (4.0 ha) complex located in the center of Salt Lake City, Utah, US. The location is owned by and serves as headquarters of the Church of Jesus Christ of Latter-day Saints and was selected by Church president Brigham Young in 1846. Temple Square is home to several buildings; depicted here are the Salt Lake Temple, Salt Lake Tabernacle and Salt Lake Assembly Hall.
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  The Coronation of Napoleon

  Painting by Jacques-Louis David and Georges Rouget

  The Coronation of Napoleon, a painting by Jacques-Louis David depicting Napoleon Bonaparte's self-coronation as Emperor of France on December 2, 1804. The act took place in Notre-Dame de Paris, during which Napoleon, eschewing tradition, took the crown and placed it on his own head. The nearly 10 by 6 m (32.8 by 19.7 ft) work was commissioned before the coronation and completed in 1807.
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  Apollo 11

  Photograph credit: Neil Armstrong

  Apollo 11 was the fifth crewed mission of NASA's Apollo program. After launching from the Kennedy Space Center in Florida on July 16, 1969, commander Neil Armstrong and Apollo Lunar Module pilot Buzz Aldrin landed Eagle in Mare Tranquillitatis on July 20, at 20:17:40 UTC, while command module pilot Michael Collins remained on Columbia in lunar orbit. Armstrong was the first to exit the spacecraft, stepping onto the surface 6 hours and 39 minutes later, on July 21, at 02:56:15 UTC; nineteen minutes later, Aldrin joined him on extravehicular activity, which lasted 2 hours, 31 minutes and 40 seconds. Armstrong and Aldrin lifted off from Tranquility Base after almost 22 hours on the lunar surface and rejoined Collins in the command module, before splashing down in the Pacific Ocean on July 24.
  
  The mission was planned to the minute, with the majority of the photographic tasks performed by Armstrong with a single Hasselblad camera. Most of the photographs taken on the Moon that include an astronaut are of Aldrin; there are only five images of Armstrong partly shown or reflected, as in this photograph, with Armstrong and the lunar module reflected in Aldrin's helmet visor. "As the sequence of lunar operations evolved," Aldrin explained, "Neil had the camera most of the time [...] It wasn't until we were back on Earth and in the Lunar Receiving Laboratory looking over the pictures that we realized there were few pictures of Neil."
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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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  German occupation of Czechoslovakia

  Photo credit: Völkischer Beobachter

  A crying Sudeten woman salutes Adolf Hitler as German forces sweep into Czechoslovakia, October 1938. Originally published in the Völkischer Beobachter, it supposedly showed the intense emotions of joy which swept the populace as Hitler drove through the streets of Cheb, 99% of whose inhabitants were ardently pro-Nazi Sudeten Germans at the time. In contrast, when the photo was published in the U.S., it was captioned, "The tragedy of this Sudeten woman, unable to conceal her misery as she dutifully salutes the triumphant Hitler, is the tragedy of the silent millions who have been 'won over' to Hitlerism by the 'everlasting use' of ruthless force." It is unknown what the true circumstances surrounding the photo are.
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  Astrolabe

  Photograph: Masoud Safarniya

  An Iranian astrolabe, handmade from brass by Jacopo Koushan in 2013. Astrolabes are elaborate inclinometers used by astronomers, navigators, and astrologers from classical antiquity, through the Islamic Golden Age and European Middle Ages, until the Renaissance. These could be used for a variety of purposes, including predicting the positions of the Sun, Moon, planets, and stars; determining local time given local latitude; surveying; triangulation; calculating the qibla; and finding the times for salat.
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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.

Did you know (auto generated)

• ... 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 Montenegrin historian Radoje Pajović refused to engage in historical revisionism to rehabilitate Chetniks who collaborated with the Axis powers?
• ... that Joe Kraker was said to be the only lineman in football history to play without shoulder pads?
• ... that The Great Wave off Kanagawa has been described as "possibly the most reproduced image in the history of all art"?
• ... that one of the longest civil trials in Utah history, with 1,000 exhibits, concerned the purchase of a Salt Lake City TV station?
• ... that when US Army lieutenant general Carl H. Jark retired in 1964, Congressman Henry B. González of Texas honored him by reading Jark's entire career history into the Congressional Record?

Featured biography –

This is a Featured article, which represents some of the best content on English Wikipedia.

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Laureate head of Diocletian

Diocletian (/ˌdaɪ.əˈkliːʃən/, DYE-ə-KLEE-shən; Latin: Gaius Aurelius Valerius Diocletianus, Ancient Greek: Διοκλητιανός, romanized: Diokletianós; 242/245 – 311/312), nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia. Diocles rose through the ranks of the military early in his career, eventually becoming a cavalry commander for the army of Emperor Carus. After the deaths of Carus and his son Numerian on a campaign in Persia, Diocles was proclaimed emperor by the troops, taking the name Diocletianus. The title was also claimed by Carus's surviving son, Carinus, but Diocletian defeated him in the Battle of the Margus.

Diocletian's reign stabilized the empire and ended the Crisis of the Third Century. He appointed fellow officer Maximian as Augustus, co-emperor, in 286. Diocletian reigned in the Eastern Empire, and Maximian reigned in the Western Empire. Diocletian delegated further on 1 March 293, appointing Galerius and Constantius as junior colleagues (each with the title Caesar), under himself and Maximian respectively. Under the Tetrarchy, or "rule of four", each tetrarch would rule over a quarter-division of the empire. Diocletian secured the empire's borders and purged it of all threats to his power. He defeated the Sarmatians and Carpi during several campaigns between 285 and 299, the Alamanni in 288, and usurpers in Egypt between 297 and 298. Galerius, aided by Diocletian, campaigned successfully against Persia, the empire's traditional enemy, and in 299, he sacked their capital, Ctesiphon. Diocletian led the subsequent negotiations and achieved a lasting and favorable peace. (Full article...)

On this day

June 1

Wreckage of American Airlines Flight 1420

• 1676 – Scanian War: The Swedish warship Kronan, one of the largest ships in the world at the time, sank at the Battle of Öland with the loss of around 800 men.
• 1857 – The Revolution of the Ganhadores, the first general strike in Brazil, began in Salvador, Bahia.
• 1974 – In an informal article in a medical journal, Henry Heimlich introduced the concept of abdominal thrusts, commonly known as the Heimlich maneuver, to treat victims of choking.
• 1988 – Group representation constituencies were introduced to the parliament of Singapore.
• 1999 – On landing at Little Rock National Airport in the U.S. state of Arkansas, American Airlines Flight 1420 overran the runway and crashed (wreckage pictured), resulting in 11 deaths.

• Kitabatake Chikafusa (d. 1354)
• Louisa Caroline Tuthill (d. 1879)
• Tom Holland (b. 1996)
• Faizul Waheed (d. 2021)

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— Muhammad, 7th century Islamic prophet

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