Portal:History

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The History Portal

History by Frederick Dielman

History is the systematic study of the past, focusing primarily on the human past. As an academic discipline, it analyzes and interprets evidence to construct narratives about what happened and explain why it happened. 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 more general sense, the term history refers not to an academic field but to the past itself, times in the past, or to individual texts about the past.

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 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, military history, social history, and economic history. Branches associated with specific research methods and sources include quantitative history, comparative history, and oral history.

History emerged as a field of inquiry in antiquity to replace myth-infused narratives, with influential early traditions originating in Greece, China, and later 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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  Map of the Greek and Latin states in southern Greece c. 1278

  
  The Battle of Halmyros, known by earlier scholars as the Battle of the Cephissus or Battle of Orchomenos, was fought on 15 March 1311, between the forces of the Frankish Duchy of Athens and its vassals under Walter of Brienne against the mercenaries of the Catalan Company, resulting in a decisive victory for the mercenaries.
  
  Engaged in conflict with their original employers, the Byzantine Empire, the Catalan Company had traversed the southern Balkans and arrived in southern Greece in 1309. The new Duke of Athens, Walter of Brienne, hired them to attack the Greek ruler of neighbouring Thessaly. Although the Catalans conquered much of the region for him, Walter refused to pay them and prepared to forcibly expel them from their gains. The two armies met at Halmyros in southern Thessaly (or at the Boeotic Cephissus, near Orchomenos, according to an earlier interpretation). On the Athenian side, many of the most important lords of Frankish Greece were present. The Catalans were considerably outnumbered and weakened by the reluctance of their Turkish auxiliaries to fight. They did have the advantage of selecting the battleground, positioning themselves behind marshy terrain, which they further inundated. Walter, a prideful man and confident in the prowess of his heavy cavalry, charged headlong against the Catalan line. The marsh impeded the Frankish attack and the Catalan infantry stood firm. The Turks re-joined the Company and the Frankish army was routed, with Walter and almost the entire knighthood of his realm falling in the field. Subsequently the Catalans took over the leaderless Duchy of Athens, ruling that part of Greece until the 1380s. (Full article...)
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  Anactoria (or Anaktoria; Ancient Greek: Ἀνακτορία) is a woman mentioned in the work of the ancient Greek poet Sappho. Sappho, who wrote in the late seventh and early sixth centuries BCE, names Anactoria as the object of her desire in a poem numbered as fragment 16. Another of her poems, fragment 31, is traditionally called the "Ode to Anactoria", although no name appears in it. As portrayed by Sappho, Anactoria is likely to have been an aristocratic follower of hers, of marriageable age. It is possible that fragment 16 was written in connection with her wedding to an unknown man. The name "Anactoria" has also been argued to have been a pseudonym, perhaps of a woman named Anagora from Miletus, or an archetypal creation of Sappho's imagination.
  
  The English poet Algernon Charles Swinburne's "Anactoria" was published in his 1866 collection, Poems and Ballads. "Anactoria" is written from the point of view of Sappho, who addresses the title character in a long monologue written in rhyming couplets of iambic pentameter. The monologue expresses Sappho's lust for her in sexually explicit terms; she first rejects art and the gods for Anactoria's love before reversing her stance and claiming to reject Anactoria in favour of poetry. Swinburne's poem created a sensation by openly approaching then-taboo topics such as lesbianism and dystheism. Anactoria later featured in an 1896 play by H. V. Sutherland and in the 1961 poetic series "Three Letters to Anaktoria" by Robert Lowell, in which an unnamed man loves her before transferring, unrequitedly, his affections to Sappho. (Full article...)
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  Miniature from Matthew Paris's Historia Anglorum, c. 1253. The portrait is generic and depicts Henry holding the Church of Reading Abbey, where he was buried.

  
  Henry I (c. 1068 – 1 December 1135), also known as Henry Beauclerc, was King of England from 1100 to his death in 1135. He was the fourth son of William the Conqueror and was educated in Latin and the liberal arts. On William's death in 1087, Henry's elder brothers Robert Curthose and William Rufus inherited Normandy and England, respectively; Henry was left landless. He purchased the County of Cotentin in western Normandy from Robert, but his brothers deposed him in 1091. He gradually rebuilt his power base in the Cotentin and allied himself with William Rufus against Robert.
  
  Present in England with his brother William when William died in a hunting accident, Henry seized the English throne, promising at his coronation to correct many of William's less popular policies. He married Matilda of Scotland and they had two surviving children, Empress Matilda and William Adelin; he also had many illegitimate children by his numerous mistresses. Robert, who invaded from Normandy in 1101, disputed Henry's control of England; this military campaign ended in a negotiated settlement that confirmed Henry as king. The peace was short-lived, and Henry invaded the Duchy of Normandy in 1105 and 1106, finally defeating Robert at the Battle of Tinchebray. Henry kept Robert imprisoned for the rest of his life. Henry's control of Normandy was challenged by Louis VI of France, Baldwin VII of Flanders and Fulk V of Anjou, who promoted the rival claims of Robert's son, William Clito, and supported a major rebellion in the Duchy between 1116 and 1119. Following Henry's victory at the Battle of Brémule, a favourable peace settlement was agreed with Louis in 1120. (Full article...)
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  A battle between French and English armies, as imagined by a contemporary chronicler

  
  The Gascon campaign of 1345 was conducted by Henry, Earl of Derby, as part of the Hundred Years' War. The whirlwind campaign took place between August and November 1345 in Gascony, an English-controlled territory in south-west France. Derby, commanding an Anglo-Gascon force, oversaw the first successful English land campaign of the war. He twice defeated large French armies in battle, taking many noble and knightly prisoners. They were ransomed by their captors, greatly enriching Derby and his soldiers in the process. Following this campaign, morale and prestige swung England's way in the border region between English-occupied Gascony and French-ruled territory, providing an influx of taxes and recruits for the English armies. As a result, France's ability to raise tax money and troops from the region was much reduced.
  
  Ralph, Earl of Stafford, had sailed for Gascony in February 1345 with an advance force and, following conventional practice, laid siege to two French strongholds. Derby arrived in August and immediately concentrated available Anglo-Gascon forces and headed directly for the largest French force, which was gathering at Bergerac, 60 miles (97 km) east of Bordeaux. Bergerac had good river supply links to Bordeaux and would provide a suitable forward base from which to carry the war to the French. He decisively defeated the French there, before moving to besiege the provincial capital of Périgueux. By this time the French had diverted their main effort to the south west, under the overall command of John, Duke of Normandy, the son and heir apparent of King Philip VI of France. Unable to take Périgueux, and threatened by John's much larger force, Derby left garrisons blockading it and withdrew. One garrison, at Auberoche, was besieged by the French. Derby advanced with a small force, launched a surprise attack against the much larger French army and won another decisive victory. (Full article...)
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  The K-25 building of the Oak Ridge Gaseous Diffusion Plant aerial view, looking southeast. The mile-long building, in the shape of a "U", was completely demolished in 2013.

  
  
  K-25 was the codename given by the Manhattan Project to the program to produce enriched uranium for atomic bombs using the gaseous diffusion method. Originally the codename for the product, over time it came to refer to the project, the production facility located at the Clinton Engineer Works in Oak Ridge, Tennessee, the main gaseous diffusion building, and ultimately the site. When it was built in 1944, the four-story K-25 gaseous diffusion plant was the world's largest building, comprising over 5,264,000 square feet (489,000 m²) of floor space and a volume of 97,500,000 cubic feet (2,760,000 m³).
  
  Construction of the K-25 facility was undertaken by J. A. Jones Construction. At the height of construction, over 25,000 workers were employed on the site. Gaseous diffusion was but one of three enrichment technologies used by the Manhattan Project. Slightly enriched product from the S-50 thermal diffusion plant was fed into the K-25 gaseous diffusion plant. Its product in turn was fed into the Y-12 electromagnetic plant. The enriched uranium was used in the Little Boy atomic bomb used in the atomic bombing of Hiroshima. In 1946, the K-25 gaseous diffusion plant became capable of producing highly enriched product. (Full article...)
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  Bolt in the cockpit of his F-86 Sabre in July 1953

  
  John Franklin Bolt (19 May 1921 – 8 September 2004) was a naval aviator in the United States Marine Corps and a decorated flying ace who served during World War II and the Korean War. He remains the only U.S. Marine to achieve ace status in two wars and was also the only Marine jet fighter ace. He rose to the rank of lieutenant colonel during his military career.
  
  Born to a poor family in Laurens, South Carolina, Bolt was a self-described "workaholic" and was involved in numerous groups and social activities throughout his life. After dropping out of the University of Florida for financial reasons in 1941, he joined the US Navy and trained as a Marine Corps pilot. Sent to the Pacific Theater of Operations, he flew an F4U Corsair during the campaigns in the Marshall Islands and New Guinea, claiming six victories against Japanese A6M Zeros. (Full article...)
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  Macdonald, c. 1875

  
  Sir John Alexander Macdonald GCB PC QC (10 or 11 January 1815 – 6 June 1891) was the first prime minister of Canada, serving from 1867 to 1873 and from 1878 until his death in 1891. He was the dominant figure of Canadian Confederation, and had a political career that spanned almost half a century.
  
  Macdonald was born in Scotland; when he was a boy his family immigrated to Kingston in the Province of Upper Canada (today in eastern Ontario). As a lawyer, he was involved in several high-profile cases and quickly became prominent in Kingston, which elected him in 1844 to the legislature of the Province of Canada. By 1857, he had become premier under the colony's unstable political system. In 1864, when no party proved capable of governing for long, he agreed to a proposal from his political rival, George Brown, that the parties unite in a Great Coalition to seek federation and political reform. He was a leading figure in the subsequent discussions and conferences which resulted in the British North America Act and the establishment of Canada as a nation on 1 July 1867. (Full article...)
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  The tomb of Philippe Pot is a funerary monument in the Louvre in Paris. It was commissioned by the military leader and diplomat Philippe Pot around the year 1480 to be used for his burial at the chapel of Saint-Jean-Baptiste in Cîteaux Abbey, Dijon, France. His effigy shows him recumbent on a slab, his hands raised in prayer, and wearing armour and a heraldic tunic. The eight mourners (pleurants) are dressed in black hoods and act as pallbearers carrying him towards his grave. Pot commissioned the tomb when he was around 52 years old, 13 years before he died in 1493. The detailed inscriptions on the slab's sides emphasise his achievements and social standing.
  
  Pot was a godson of Philip the Good and became a knight of the Golden Fleece. He served under two of the last Valois Dukes of Burgundy, Philip the Good and Charles the Bold. After the latter's defeat by René II, Duke of Lorraine at the Battle of Nancy in 1477, Pot switched allegiance to the French king, Louis XI, who appointed him grand seneschal of Burgundy. After the king died in 1483, Pot served under Louis's son, Charles VIII. (Full article...)
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  John Mowbray, 3rd Duke of Norfolk, KG, Earl Marshal (12 September 1415 – 6 November 1461) was a fifteenth-century English magnate who, despite having a relatively short political career, played a significant role in the early years of the Wars of the Roses. Mowbray was born in 1415, the only son and heir of John de Mowbray, 2nd Duke of Norfolk, and Katherine Neville. He inherited his titles upon his father's death in 1432. As a minor he became a ward of King Henry VI and was placed under the protection of Humphrey, Duke of Gloucester, alongside whom Mowbray would later campaign in France. He seems to have had an unruly and rebellious youth. Although the details of his misconduct are unknown, they were severe enough for the King to place strictures upon him and separate him from his followers. Mowbray's early career was spent in the military, where he held the wartime office of Earl Marshal. Later he led the defence of England's possessions in Normandy during the Hundred Years' War. He fought in Calais in 1436, and during 1437–38 served as Warden of the Eastern March on the Anglo-Scottish border, before returning to Calais.
  
  Mowbray's marriage to Eleanor Bourchier in the early 1430s drew him into the highly partisan and complex politics of East Anglia, and he became the bitter rival of William de la Pole, Earl (later Duke) of Suffolk. Mowbray prosecuted his feuds with vigour, often taking the law into his own hands. This often violent approach drew the disapproving attention of the Crown, and he was bound over for massive sums and imprisoned twice in the Tower of London. His enemies, particularly de la Pole, also resorted to violent tactics. As a result, the local gentry looked to Mowbray for leadership, but often in vain; de la Pole was a powerful local force and a favourite of the King, while Mowbray was neither. (Full article...)
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  Slayback's Missouri Cavalry Regiment was a cavalry regiment of the Confederate States Army during the American Civil War. Originally formed as Slayback's Missouri Cavalry Battalion, the unit consisted of men recruited in Missouri by Lieutenant Colonel Alonzo W. Slayback during Price's Raid in 1864. The battalion's first action was at the Battle of Pilot Knob on September 27; it later participated in actions at Sedalia, Lexington, and the Little Blue River. In October, the unit was used to find an alternate river crossing during the Battle of the Big Blue River. Later that month, Slayback's unit saw action at the battles of Westport, Marmiton River, and Second Newtonia. The battalion was briefly furloughed in Arkansas before rejoining Major General Sterling Price in Texas in December. Likely around February 1865, the battalion reached official regimental strength after more recruits joined.
  
  On June 2, 1865, the Confederate Trans-Mississippi Department surrendered. The men of the regiment were located at different points in Louisiana and Arkansas when they were paroled twelve days later, leading the historian James McGhee to conclude that the regiment had disbanded before the surrender. (Full article...)
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  Bronze of Philitas, The Philosopher (c. 250–200 BC)

  
  Philitas of Cos (/fɪˈlaɪtəs/; Greek: Φιλίτας ὁ Κῷος, Philītas ho Kōos; c. 340 – c. 285 BC), sometimes spelled Philetas (/faɪˈliːtəs/; Φιλήτας, Philētas; see Bibliography below), was a Greek scholar, poet and grammarian during the early Hellenistic period of ancient Greece. He is regarded as the founder of the Hellenistic school of poetry, which flourished in Alexandria after about 323 BC. Philitas is also reputed to have been the tutor of Ptolemy II Philadelphus and the poet Theocritus. He was thin and frail; Athenaeus later caricatured him as an academic so consumed by his studies that he wasted away and died.
  
  Philitas was the first major Greek writer who was both a scholar and a poet. His reputation continued for centuries, based on both his pioneering study of words and his verse in elegiac meter. His vocabulary Disorderly Words described the meanings of rare literary words, including those used by Homer. His poetry, notably his elegiac poem Demeter, was highly respected by later ancient poets. However, almost all his work has since been lost. (Full article...)
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  Lieutenant General Sir Harry Chauvel
  1919 portrait by James Peter Quinn (1870–1951)

  
  General Sir Henry George Chauvel, GCMG, KCB (16 April 1865 – 4 March 1945) was a senior officer of the Australian Imperial Force who fought at Gallipoli and during the Sinai and Palestine Campaign in the Middle Eastern theatre of World War I. He was the first Australian to attain the rank of lieutenant general and later general, and the first to lead a corps. As commander of the Desert Mounted Corps, he was responsible for one of the most decisive victories and fastest pursuits in military history.
  
  The son of a grazier, Chauvel was commissioned as a second lieutenant in the Upper Clarence Light Horse, a unit organised by his father, in 1886. After the family moved to Queensland he was commissioned as a second lieutenant in the Queensland Mounted Infantry in 1890, and saw service during the 1891 Australian shearers' strike. He became a regular officer in 1896, and went to the United Kingdom as part of the Queensland contingent for the 1897 Diamond Jubilee of Queen Victoria. In 1899 he commanded one of two companies of Queensland Mounted Infantry that were Queensland's initial contribution to the Boer War. After the war, he was closely involved with the training of the Australian Light Horse. (Full article...)
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  Benjamin Milam leads the Texian soldiers fighting in the Battle of Goliad

  
  The Battle of Goliad was the second skirmish of the Texas Revolution. In the early-morning hours of October 9, 1835, Texas settlers attacked the Mexican Army soldiers garrisoned at Presidio La Bahía, a fort near the Mexican Texas settlement of Goliad. La Bahía lay halfway between the only other large garrison of Mexican soldiers (at Presidio San Antonio de Béxar) and the then-important Texas port of Copano.
  
  In September, Texians began plotting to kidnap Mexican General Martín Perfecto de Cos, who was en route to Goliad to attempt to quell the unrest in Texas. The plan was initially dismissed by the central committee coordinating the rebellion. However, within days of the Texian victory at the Battle of Gonzales, Captain George Collinsworth and members of the Texian militia in Matagorda began marching towards Goliad. The Texians soon learned that Cos and his men had already departed for San Antonio de Béxar but continued their march. (Full article...)
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  Bahia sometime before its mid-1920s modernization, as indicated by its two funnels

  
  Bahia was the lead ship of a two-vessel class of cruisers built for Brazil by the British company Armstrong Whitworth. Crewmen mutinied in November 1910 aboard Bahia, Deodoro, Minas Geraes, and São Paulo, beginning the four-day Revolta da Chibata (Revolt of the Lash). Brazil's capital city of Rio de Janeiro was held hostage by the possibility of a naval bombardment, leading the government to give in to the rebel demands which included the abolition of flogging in the navy. During the First World War, Bahia and its sister ship Rio Grande do Sul were assigned to the Divisão Naval em Operações de Guerra (Naval Division in War Operations), the Brazilian Navy's main contribution in that conflict. The squadron was based in Sierra Leone and Dakar and escorted convoys through an area believed to be heavily patrolled by U-boats.
  
  Bahia was extensively modernized in the mid-1920s. It received three new Brown–Curtis turbine engines and six new Thornycroft boilers, and it was converted from coal-burning to oil. The refit resulted in a striking aesthetic change, with the exhaust being trunked into three funnels instead of two. The armament was also modified, adding three 20 mm (0.79 in) Madsen autocannons, a 7 mm (0.28 in) Hotchkiss machine gun, and four 533 mm (21.0 in) torpedo tubes. In the 1930s, it served with government forces during multiple revolutions. (Full article...)
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  Photo portrait, before 1951

  
  Guy Francis de Moncy Burgess (16 April 1911 – 30 August 1963) was a British diplomat and Soviet double agent, and a member of the Cambridge Five spy ring that operated from the mid-1930s to the early years of the Cold War era. His defection in 1951 to the Soviet Union, with his fellow spy Donald Maclean, led to a serious breach in Anglo-United States intelligence co-operation, and caused long-lasting disruption and demoralisation in Britain's foreign and diplomatic services.
  
  Born into an upper middle class family, Burgess was educated at Eton College, the Royal Naval College, Dartmouth, and Trinity College, Cambridge. An assiduous networker, he embraced left-wing politics at Cambridge and joined the British Communist Party. Burgess was recruited by Soviet intelligence in 1935, on the recommendation of the future double agent Harold "Kim" Philby. After leaving Cambridge, Burgess worked for the BBC as a producer, briefly interrupted by a short period as a full-time MI6 intelligence officer, before joining the Foreign Office in 1944. (Full article...)

Featured picture

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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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  Sheep husbandry

  Poster credit: Breuker & Kessler, Co.

  A World War I-era poster sponsored by the United States Department of Agriculture encouraging children to raise sheep to provide wool for the war effort. The poster reads, "Twenty sheep to clothe and equip each soldier / Boys and girls can help / Join a sheep club".
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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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  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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  Trinity nuclear test

  Photo credit: Berlyn Brixner

  The Trinity nuclear test explosion, .016 seconds after detonation. The fireball is about 200 metres (700 ft) wide. Conducted by the United States on July 16, 1945, at a location 35 miles (56 km) southeast of Socorro, New Mexico, on what is now White Sands Missile Range, Trinity was the first test of technology for a nuclear weapon.
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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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  Rajputs

  Image: The Illustrated London News
  Restoration: Adam Cuerden

  An 1876 engraving of Khokar Rajputs of Punjab. The Rajputs are one of the major Hindu Kshatriya (warrior) groups of India. Rajputs rose to prominence during the 9th to 11th centuries, and by the time of Indian independence, they ruled more than two-thirds of the estimated six hundred princely states, including three-quarters of the salute states.
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  Edward Gibbon

  Painting: Henry Walton

  Edward Gibbon (1737–1794) was an English historian who published The History of the Decline and Fall of the Roman Empire in six volumes between 1776 and 1788. Born in Putney, Surrey, he became a voracious reader while being raised by his aunt, and was sent to study at Magdalen College, Oxford, and in Switzerland. Returning to England, in 1761 Gibbon published his first book, Essai sur l'Étude de la Littérature. This was well received, but Gibbon's next book was a failure. In the early 1770s Gibbon began writing his history of the Roman Empire, which was received with great praise.
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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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  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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  Boxer Rebellion

  Artist: Kasai Torajirō; Restoration: Staxringold

  Japanese and British troops attack members of the Society of Righteous and Harmonious Fists ("Boxers") at Beijing Castle during the Boxer Rebellion of 1899–1901. The Boxers, angered by foreign imperialist expansion into Qing Dynasty China, had engaged in looting, arson, and killings of foreigners. In 1900, the Empress Dowager Cixi employed the Boxers to attack foreign settlements in Beijing. The uprising was eventually put down by 20,000 troops from the Eight-Nation Alliance.
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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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  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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  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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  Kamianets-Podilskyi

  Map credit: Nicolas de Fer

  A 1691 French map of Kamianets-Podilskyi, Ukraine, depicting the city's old town neighborhood and castle, surrounded by the winding Smotrych River. It was originally part of Kievan Rus' and annexed into the First Polish Republic, but at the time of the map's creation, the city was part of the Ottoman Empire. It shortly returned to Poland and later became part of the Russian Empire with the Second Partition of Poland in 1793.
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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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  Dust Bowl

  Photo credit: Sloan, USDA

  Buried machinery in a barn lot, Dallas, South Dakota, United States, due to Dust Bowl conditions, May 1936. Dust storms from 1930–1939 caused major ecological and agricultural damage to American and Canadian prairie lands. This ecological disaster was a result of drought conditions coupled with decades of extensive farming using techniques that promoted erosion.
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  Masada

  Photograph: Andrew Shiva

  An aerial view of Masada, an ancient fortification in the Southern District of Israel. Found atop an isolated rock plateau, it overlooks the Dead Sea. The first fortifications on the mountain were built by Alexander Jannaeus, and significantly strengthened by the Roman client king Herod between 37 and 31 BCE. During the First Jewish–Roman War of 66–73 CE, the fortress was besieged, falling only after the 960 Sicarii defending it committed mass suicide.
  
  Masada is among the more popular tourist attractions in Israel, and in 2001 it was made a UNESCO World Heritage Site.

Did you know (auto generated)

• ... that history has a history?
• ... that archaeological excavations in the historic town of Kharayeb revealed a rural settlement with a complex system of cisterns and a Phoenician temple?
• ... that Veto, inspired by the history of the Polish–Lithuanian Commonwealth, is considered to be the first Polish collectible card game?
• ... that the historic mansion Bulgur Palas in Istanbul hosted a birdhouse for hundreds of domestic canaries in one room during its ownership by the Ottoman Bank?
• ... that Narita Viliamu Tahega has won 38 medals in international weightlifting competitions, the most in the history of Niue athletics?
• ... that Timo Meier became the first player in San Jose Sharks franchise history to score five goals in one game when he was 25?

Featured biography –

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

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Calvin Coolidge (born John Calvin Coolidge Jr.; /ˈkuːlɪdʒ/ KOOL-ij; July 4, 1872 – January 5, 1933) was the 30th president of the United States, serving from 1923 to 1929. A Republican lawyer from Massachusetts, he previously served as the 29th vice president from 1921 to 1923 under President Warren G. Harding, and as the 48th governor of Massachusetts from 1919 to 1921. Coolidge gained a reputation as a small-government conservative with a taciturn personality and dry sense of humor that earned him the nickname "Silent Cal".

Coolidge began his career as a member of the Massachusetts State House. He rose up the ranks of Massachusetts politics and was elected governor in 1918. As governor, Coolidge ran on the record of fiscal conservatism, strong support for women's suffrage, and vague opposition to Prohibition. His prompt and effective response to the Boston police strike of 1919 thrust him into the national spotlight as a man of decisive action. The following year, the Republican Party nominated Coolidge as the running mate to Senator Warren G. Harding in the 1920 presidential election, which they won in a landslide. Coolidge served as vice president until Harding's death in 1923, after which he assumed the presidency. (Full article...)

On this day

April 19: Primrose Day in London

Aftermath of the Oklahoma City bombing

• 1713 – With no living male heirs, Charles VI, Holy Roman Emperor, issued the Pragmatic Sanction, allowing the Habsburg hereditary possessions to be inherited by a daughter.
• 1809 – War of the Fifth Coalition: French general Louis-Nicolas Davout defeated an Austrian force in Lower Bavaria, allowing him to rejoin the main French army.
• 1987 – The fictional Simpson family made their first appearance in the short "Good Night", aired in a segment of the The Tracey Ullman Show.
• 1995 – A truck bombing destroyed much of the Alfred P. Murrah Federal Building (aftermath pictured) in Oklahoma City, killing 168 people and injuring more than 680 others.
• 2015 – Freddie Gray, a 25-year-old African American, died of injuries sustained while in the custody of the Baltimore Police Department.

• Uesugi Kenshin (d. 1578)
• Elizabeth Dilling (b. 1894)
• Denis O'Brien (b. 1958)

More anniversaries:

• April 18
• April 19
• April 20

Selected quote

If you wish to avoid foreign collision, you had better abandon the ocean.

— Henry Clay, American statesman

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More Did you know...

• ... that, when Ghenadie Petrescu (pictured) was ousted from his post of Metropolitan-Primate, Romania experienced protests and riots?
• ... that the British destroyer HMS Highlander escorted Convoy SC 122 through the largest convoy battle of World War II in March 1943 and was unsuccessfully attacked by U-441 and U-608?
• ... that in 1911, John Gaunt's second biplane nearly crashed because a bystander bent the aircraft's elevator before a flight?
• ... that Themistokli Gërmenji, an Albanian nationalist, received the French Croix de Guerre in November 1917, but was executed shortly thereafter by a French military court?
• ... that fish-knives inscribed with Elokeshi's name were sold after her husband decapitated her with a fish-knife following her adulterous affair with a Hindu head-priest?
• ... that the ancient Roman dancer Galeria Copiola reached the age of 104?
• ... that to escape burning at the 1393 Bal des Ardents Charles VI of France huddled under the gown of the Duchesse de Berry, while a lord leaped into a wine vat?
• ... that a junior officer on the USS Ancon refused King George VI entry to the ship's intelligence centre because no one told him the King "was a Bigot"?

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