Portal:History

The History Portal

Historia by Nikolaos Gyzis

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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  The Vukovar water tower, 2010. Heavily damaged in the battle, the tower has been preserved as a symbol of the conflict.

  
  The Battle of Vukovar was an 87-day siege of Vukovar in eastern Croatia by the Yugoslav People's Army (JNA), supported by various paramilitary forces from Serbia, between August and November 1991. Before the Croatian War of Independence the Baroque town was a prosperous, mixed community of Croats, Serbs and other ethnic groups. As Yugoslavia began to break up, Serbia's President Slobodan Milošević and Croatia's President Franjo Tuđman began pursuing nationalist politics. In 1990, an armed insurrection was started by Croatian Serb militias, supported by the Serbian government and paramilitary groups, who seized control of Serb-populated areas of Croatia. The JNA began to intervene in favour of the rebellion, and conflict broke out in the eastern Croatian region of Slavonia in May 1991. In August, the JNA launched a full-scale attack against Croatian-held territory in eastern Slavonia, including Vukovar.
  
  Vukovar was defended by around 1,800 lightly armed soldiers of the Croatian National Guard (ZNG) and civilian volunteers, against as many as 36,000 JNA soldiers and Serb paramilitaries equipped with heavy armour and artillery. During the battle, shells and rockets were fired into the town at a rate of up to 12,000 a day. At the time, it was the fiercest and most protracted battle seen in Europe since 1945, and Vukovar was the first major European town to be entirely destroyed since the Second World War. When Vukovar fell on 18 November 1991, several hundred soldiers and civilians were massacred by Serb forces and at least 20,000 inhabitants were expelled. Overall, around 3,000 people died during the battle. Most of Vukovar was ethnically cleansed of its non-Serb population and became part of the self-declared proto-state known as the Republic of Serbian Krajina. Several Serb military and political officials, including Milošević, were later indicted and in some cases jailed for war crimes committed during and after the battle. (Full article...)
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  National color of the 4th Pennsylvania Infantry Regiment, later carried by the 51st Pennsylvania Infantry Regiment

  
  The 4th Pennsylvania Infantry Regiment, officially known as the 4th Regiment, Pennsylvania Volunteer Infantry, was an infantry regiment of the Union Army in the American Civil War. Formed mostly from a militia unit in Norristown in southeastern Pennsylvania, the regiment enlisted at the beginning of the American Civil War in April 1861 for a three-month period of service under the command of Colonel John F. Hartranft. Logistical difficulties bedeviled the regiment, which served as part of the garrison of Washington, D.C., until late June, when it was sent into Northern Virginia to join in the army of Brigadier General Irvin McDowell.
  
  The regiment suffered its only combat casualties in a picket action on June 30 and was sent back to be mustered out on the eve of the First Battle of Bull Run owing to disagreement among the men over remaining with the army after the expiration of their term of service. Its men were denounced as cowards for being members of the only regiment to refuse to fight at the July 21 battle. Hartranft and a company commander remained with the army and later received the Medal of Honor for their actions at Bull Run. Many men of the regiment went on to serve in new Pennsylvania regiments, forming the bulk of the 51st Pennsylvania Infantry, which fought for the rest of the war. (Full article...)
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  USS Mahan circa 1938

  
  Mahan-class destroyers of the United States Navy were a series of 18 destroyers of which the first 16 were laid down in 1934. The last two of the 18, Dunlap and Fanning (this pair laid down in 1935), are sometimes considered a separate ship class. All 18 were commissioned in 1936 and 1937. Mahan was the lead ship, named for Rear Admiral Alfred Thayer Mahan, an influential historian and theorist on sea power.
  
  The Mahans featured improvements over previous destroyers, with 12 torpedo tubes, superimposed gun shelters, and generators for emergency use. The Standard displacement increased from 1,365 tons to 1,500 tons. The class introduced a new steam propulsion system that combined increases in pressure and temperature with a new type of lightweight steam turbine, which proved simpler and more efficient than the Mahans' predecessors—so much so that it was used on many subsequent wartime US destroyers. (Full article...)
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  Baden, with her main battery trained to port

  
  SMS Baden was a Bayern-class dreadnought battleship of the German Imperial Navy built during World War I. Launched in October 1915 and completed in March 1917, she was the last battleship completed for use in the war; two of her sisters—Sachsen and Württemberg—were incomplete when the war ended. The ship mounted eight 38-centimeter (15 in) guns in four twin turrets, displaced 32,200 metric tons (31,700 long tons; 35,500 short tons) at full combat load, and had a top speed of 21 knots (39 km/h; 24 mph). Along with her sister Bayern, Baden was the largest and most powerfully armed battleship built by the Imperial Navy.
  
  Upon commissioning into the High Seas Fleet, Baden was made the fleet flagship, replacing Friedrich der Grosse. Baden saw little action during her short career; the only major sortie in April 1918 ended without any combat. Following the German collapse in November 1918, Baden was interned with the majority of the High Seas Fleet at Scapa Flow by the British Royal Navy. On 21 June 1919, Rear Admiral Ludwig von Reuter ordered the scuttling of the fleet. However, British sailors in the harbor managed to board Baden and beach her to prevent her sinking. The ship was refloated, thoroughly examined, and eventually sunk in extensive gunnery testing by the Royal Navy in 1921. (Full article...)
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  Historian Michael Chappell wrote that "The red four-pointed star chosen as a divisional sign for the 6th (and 70th) was painted on vehicles, etc., but was probably never worn" on the uniform of the soldiers.

  
  The 70th Infantry Division was an infantry division of the British Army that fought during the Western Desert Campaign of the Second World War. What would become the 70th Division originated with the 7th Infantry Division, which was formed in 1938 to serve in the British Mandate of Palestine during the Arab Revolt. This division then transferred to Egypt on the outbreak of the Second World War and soon became the 6th Infantry Division, which went on to take part in the Battle of Crete and the Syria–Lebanon Campaign. On 10 October 1941, the 6th Division was re-created as the 70th Infantry Division, in an attempt to deceive Axis intelligence concerning the strength of British forces in the Middle East.
  
  The Royal Navy transported the division to Tobruk from 19 September to 25 October, in a politically controversial move to relieve the mainly Australian garrison which had been defending the port for almost seven months, since the beginning of the siege of Tobruk. Under daily aerial and artillery attacks, the division defended the port and conducted nightly offensive patrols against German and Italian positions. On 18 November, the British Eighth Army launched Operation Crusader. The division was tasked with breaking out of Tobruk, following the destruction of the Axis armoured forces. Following unexpected early success, the division began its attacks on 21 November, before the armoured formations of Germans and Italians had been defeated. Heavy fighting soon followed as the division captured several well-defended and dug-in German and Italian strong points. The looming threat of the Axis tanks ended the break-out offensive the following day. Renewed fighting on 26 November saw the division link up with the approaching New Zealand Division, cutting the Axis lines of communication. In response, the Germans launched several counter-attacks to throw back the 70th Division from the territory they had gained. The failure of these attacks had a lasting strategic impact on Operation Crusader; the Axis forces began their retreat and lifted the siege of Tobruk. Two men—from units attached to the division—were awarded the Victoria Cross for their actions during Operation Crusader. (Full article...)
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  Milorad Petrović (Serbian Cyrillic: Милорад Петровић; 18 April 1882 – 12 June 1981) was an Armijski đeneral (lieutenant general) in the Royal Yugoslav Army who commanded the 1st Army Group during the April 1941 German-led Axis invasion of Yugoslavia of World War II. Petrović was commissioned into the Royal Serbian Army in 1901 and served in multiple staff positions during the Balkan Wars. During World War I, he served in various staff roles at the army and divisional level during the Serbian Campaign and later on the Macedonian front. Following the war, he took part in military operations along the disputed northern border of the nascent Kingdom of Serbs, Croats and Slovenes, which was renamed the Kingdom of Yugoslavia in 1929. During the interwar period, Petrović was steadily promoted, performing key roles at the Ministry of the Army and Navy. He reached the rank of armijski đeneral in 1937. At the time of the 27 March 1941 Yugoslav coup d'état, he was the military commander of the Yugoslav capital, Belgrade.
  
  In the wake of the coup, Petrović urged immediate mobilisation, but this did not occur until 3 April, by which time Adolf Hitler had already issued orders for Yugoslavia's invasion. Petrović was appointed to command the 1st Army Group, responsible for the country's northern borders with Germany, Italy and Hungary. His formations were only partially mobilised by the time the invasion began on 6 April, and significant fifth column activities affected them from the outset. On 10 April, two determined armoured thrusts by the Germans caused the 1st Army Group to disintegrate, and the following day, Petrović was captured by fifth columnists. He was soon handed over to the Germans and spent the rest of the war in a prisoner of war camp in Germany. (Full article...)
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  Grant c. 1870–1880

  
  Ulysses S. Grant (born Hiram Ulysses Grant; April 27, 1822 – July 23, 1885) was an American military officer and politician who served as the 18th president of the United States from 1869 to 1877. As commanding general, Grant led the Union Army to victory in the American Civil War in 1865 and briefly served as U.S. secretary of war. An effective civil rights executive, Grant signed a bill to create the Justice Department and worked with Radical Republicans to protect African Americans during Reconstruction.
  
  Grant was born in Ohio and graduated from West Point in 1843. He served with distinction in the Mexican–American War, but resigned from the army in 1854 and returned to civilian life impoverished. In 1861, shortly after the Civil War began, Grant joined the Union Army and rose to prominence after securing Union victories in the western theater. In 1863, he led the Vicksburg campaign that gave Union forces control of the Mississippi River and dealt a major strategic blow to the Confederacy. President Abraham Lincoln promoted Grant to lieutenant general after his victory at Chattanooga. For thirteen months, Grant fought Robert E. Lee during the high-casualty Overland Campaign which ended with capture of Lee's army at Appomattox, where he formally surrendered to Grant. In 1866, President Andrew Johnson promoted Grant to General of the Army. Later, Grant broke with Johnson over Reconstruction policies. A war hero, drawn in by his sense of duty, Grant was unanimously nominated by the Republican Party and then elected president in 1868. (Full article...)
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  Samuel Jackson Randall (October 10, 1828 – April 13, 1890) was an American politician from Pennsylvania who represented the Queen Village, Society Hill, and Northern Liberties neighborhoods of Philadelphia from 1863 to 1890 and served as the 29th speaker of the United States House of Representatives from 1876 to 1881. He was a contender for the Democratic Party nomination for President of the United States in 1880 and 1884.
  
  Born in Philadelphia to a family active in Whig politics, Randall shifted to the Democratic Party after the Whigs' demise. His rise in politics began in the 1850s with election to the Philadelphia Common Council and then to the Pennsylvania State Senate for the 1st district. Randall served in a Union cavalry unit in the American Civil War before winning a seat in the federal House of Representatives in 1862. He was re-elected every two years thereafter until his death. The representative of an industrial region, Randall became known as a staunch defender of protective tariffs designed to assist domestic producers of manufactured goods. While often siding with Republicans on tariff issues, he differed with them in his resistance to Reconstruction and the growth of federal power. (Full article...)
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  South Korean forces in front of the Daejon Railway Station, July 1950

  
  The Battle of Taejon (16–20 July 1950) was an early battle of the Korean War, between U.S. and North Korean forces. Forces of the United States Army attempted to defend the headquarters of the 24th Infantry Division. The 24th Infantry Division was overwhelmed by numerically superior forces of the Korean People's Army (KPA) at the major city and transportation hub of Daejon (then spelt 'Taejon'). The 24th Infantry Division's regiments were already exhausted from the previous two weeks of delaying actions to stem the advance of the KPA.
  
  The entire 24th Division gathered to make a final stand around Taejon, holding a line along the Kum River to the east of the city. Hampered by a lack of communication and equipment, and a shortage of heavy weapons to match the KPA's firepower, the outnumbered, ill-equipped and inexperienced U.S. forces were pushed back from the riverbank after several days before fighting an intense urban battle to defend the city. After a fierce three-day struggle, the U.S. withdrew. (Full article...)
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  Sōryū on trials, January 1938

  Sōryū (蒼龍, Sōryū, meaning "Blue (or Green) Dragon") was an aircraft carrier built for the Imperial Japanese Navy (IJN) during the mid-1930s. A sister ship, Hiryū, was intended to follow Sōryū, but Hiryū's design was heavily modified and she is often considered to be a separate class. Sōryū's aircraft were employed in operations during the Second Sino-Japanese War in the late 1930s and supported the Japanese invasion of French Indochina in mid-1940. During the first months of the Pacific War, she took part in the attack on Pearl Harbor, the Battle of Wake Island, and supported the conquest of the Dutch East Indies. In February 1942, her aircraft bombed Darwin, Australia, and she continued on to assist in the Dutch East Indies campaign. In April, Sōryū's aircraft helped sink two British heavy cruisers and several merchant ships during the Indian Ocean raid.
  
  After a brief refit, Sōryū and three other carriers of the 1st Air Fleet (Kidō Butai) participated in the Battle of Midway in June 1942. After bombarding American forces on Midway Atoll, the carriers were attacked by aircraft from the island and the carriers Enterprise, Hornet, and Yorktown. Dive bombers from Yorktown crippled Sōryū and set her afire. Japanese destroyers rescued the survivors but the ship could not be salvaged and was ordered to be scuttled so as to allow her attendant destroyers to be released for further operations. She sank with the loss of 711 officers and enlisted men of the 1,103 aboard. The loss of Sōryū and three other IJN carriers at Midway was a crucial strategic defeat for Japan and contributed significantly to the Allies' ultimate victory in the Pacific. (Full article...)
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  The battle of Marshall's Elm was a skirmish that took place near Street, in the county of Somerset, South West England, on 4 August 1642. The engagement occurred during the build-up to formal beginning of the First English Civil War on 22 August, while the Royalists and Parliamentarians were recruiting men in the county. The Royalists had established their regional headquarters in Wells, but were threatened by superior Parliamentarian numbers in the vicinity. The Royalist commander sent out a mounted patrol consisting of 60 to 80 cavalry and dragoons, which came across a force of between 500 and 600 Parliamentarian recruits travelling north across the Somerset Levels under the command of Sir John Pyne.
  
  The Royalists set an ambush at Marshall's Elm, where the road rose out of the Levels into the Polden Hills. After a parley between the leaders was unsuccessful, the Parliamentarians were caught in the ambush. Facing musket fire from the hidden dragoons, and being charged at by the Royalist cavalry, they were routed. The Royalists killed around 27, and took 60 prisoners, including two of the Parliamentarian officers. Despite their victory, the Royalists were forced to withdraw from Wells, and later from Somerset altogether, due to their inferior numbers. (Full article...)
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  A £5 note (White fiver) forged by Sachsenhausen concentration camp prisoners

  
  Operation Bernhard was an exercise by Nazi Germany to forge British bank notes. The initial plan was to drop the notes over Britain to bring about a collapse of the British economy during the Second World War. The first phase was run from early 1940 by the Sicherheitsdienst (SD) under the title Unternehmen Andreas (Operation Andreas). The unit successfully duplicated the rag paper used by the British, produced near-identical engraving blocks and deduced the algorithm used to create the alpha-numeric serial code on each note. The unit closed in early 1942 after its head, Alfred Naujocks, fell out of favour with his superior officer, Reinhard Heydrich.
  
  The operation was revived later in the year; the aim was changed to forging money to finance German intelligence operations. Instead of a specialist unit within the SD, prisoners from Nazi concentration camps were selected and sent to Sachsenhausen concentration camp to work under SS Major Bernhard Krüger. The unit produced British notes until mid-1945; estimates vary of the number and value of notes printed, from £132.6 million up to £300 million. By the time the unit ceased production, they had perfected the artwork for US dollars, although the paper and serial numbers were still being analysed. The counterfeit money was laundered in exchange for money and other assets. Counterfeit notes from the operation were used to pay the Turkish agent Elyesa Bazna—code named Cicero—for his work in obtaining British secrets from the British ambassador in Ankara, and £100,000 from Operation Bernhard was used to obtain information that helped to free the Italian leader Benito Mussolini in the Gran Sasso raid in September 1943. (Full article...)
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  Derfflinger interned at Scapa Flow

  
  SMS Derfflinger was a battlecruiser of the German Kaiserliche Marine (Imperial Navy) built in the early 1910s during the Anglo-German naval arms race. She was the lead ship of her class of three ships; her sister ships were Lützow and Hindenburg. The Derfflinger-class battlecruisers were larger and featured significant improvements over the previous German battlecruisers, carrying larger guns in a more efficient superfiring arrangement. Derfflinger was armed with a main battery of eight 30.5 cm (12 in) guns, compared to the 28 cm (11 in) guns of earlier battlecruisers. She had a top speed of 26.5 knots (49.1 km/h; 30.5 mph) and carried heavy protection, including a 30-centimeter (11.8 in) thick armored belt.
  Derfflinger was completed shortly after the outbreak of World War I in 1914; after entering service, she joined the other German battlecruisers in I Scouting Group of the High Seas Fleet, where she served for the duration of the conflict. As part of this force, she took part in numerous operations in the North Sea, including the Raid on Scarborough, Hartlepool and Whitby in December 1914, the Battle of Dogger Bank in January 1915, and the Bombardment of Yarmouth and Lowestoft in April 1916. These operations culminated in the Battle of Jutland on 31 May – 1 June 1916, where Derfflinger helped to sink the British battlecruisers HMS Queen Mary and Invincible. Derfflinger was seriously damaged in the action and was out of service for repairs for several months afterward. (Full article...)
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  Ceawlin's name as it appears in the Anglo-Saxon Chronicle, as Ceaulin

  
  Ceawlin ([ˈtʃæɑw.lin] CHOW-lin; also spelled Ceaulin, Caelin, Celin, died ca. 593) was a King of Wessex. He may have been the son of Cynric of Wessex and the grandson of Cerdic of Wessex, whom the Anglo-Saxon Chronicle represents as the leader of the first group of Saxons to come to the land which later became Wessex. Ceawlin was active during the last years of the Anglo-Saxon expansion, with little of southern England remaining in the control of the native Britons by the time of his death.
  
  The chronology of Ceawlin's life is highly uncertain. The historical accuracy and dating of many of the events in the later Anglo-Saxon Chronicle have been called into question, and his reign is variously listed as lasting seven, seventeen, or thirty-two years. The Chronicle records several battles of Ceawlin's between the years 556 and 592, including the first record of a battle between different groups of Anglo-Saxons, and indicates that under Ceawlin Wessex acquired significant territory, some of which was later to be lost to other Anglo-Saxon kingdoms. Ceawlin is also named as one of the eight "bretwaldas", a title given in the Chronicle to eight rulers who had overlordship over southern Britain, although the extent of Ceawlin's control is not known. (Full article...)
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  Seal of the provisional government of Kentucky, showing an arm holding the 13th star of the Confederacy. The motto voce populi is Latin for "by the voice of the people".

  
  The Confederate government of Kentucky was a shadow government established for the Commonwealth of Kentucky by a self-constituted group of Confederate sympathizers and delegates sent by Kentucky counties, during the American Civil War. The shadow government never replaced the elected government in Frankfort, in which the state legislature had strong Union sympathies while the governor was pro-Confederate. Neither was it able to gain the whole support of Kentucky's citizens; its jurisdiction extended only as far as Confederate battle lines in the Commonwealth, which at its greatest extent in 1861 and early 1862 encompassed over half the state. Nevertheless, the provisional government was recognized by the Confederate States of America, and Kentucky was admitted to the Confederacy on December 10, 1861. Kentucky, the final state admitted to the Confederacy, was represented by the 13th (central) star on the Confederate battle flag.
  
  Bowling Green, Kentucky, was designated the Confederate capital of Kentucky at a convention in nearby Russellville. Due to the military situation in the state, the provisional government was exiled and traveled with the Army of Tennessee for most of its existence. For a short time in the autumn of 1862, the Confederate Army controlled Frankfort, the only time a Union capital was captured by Confederate forces. During this occupation, General Braxton Bragg attempted to install the provisional government as the permanent authority in the Commonwealth. However, Union General Don Carlos Buell ambushed the inauguration ceremony and drove the provisional government from the state for the final time. From that point forward, the government existed primarily on paper and was dissolved at the end of the war. (Full article...)

Featured picture

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  Benito Mussolini and Adolf Hitler

  Photo credit: Eva Braun

  The two European Axis leaders during World War II, Benito Mussolini and Adolf Hitler, riding in an automobile, circa June 1940. This photo was found in Eva Braun's personal photo albums and is credited to her, though whether she was the true photographer is unknown.
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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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  Historical reenactment

  Photo: Myrabella

  A historical reenactment is an educational or entertainment activity in which participants follow a prearranged plan to recreate aspects of a historical event or period. Here, a group reenacts the Battle of Waterloo, in which an Imperial French army under the command of Emperor Napoleon Bonaparte was defeated by the armies of the Seventh Coalition.
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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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  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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  Vegetable Lamb of Tartary

  Artist: Unknown, after Johann Zahn

  A drawing of the Vegetable Lamb of Tartary (Agnus scythicus), a zoophyte of Central Asia. Botanist Henry Lee described it as both a true animal and a living plant, although he did allow for the possibility that the lamb was the fruit of the plant. The lamb was believed to have blood, bones, and flesh like that of a normal lamb. It was connected to the earth by a stem similar to an umbilical cord that propped the lamb up above ground. The cord could flex downward allowing the lamb to feed on the grass and plants surrounding it. Once the plants within reach were eaten, the lamb died, at which point its cotton-like wool would be harvested and used to make textiles.
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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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  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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  Second Battle of Gaza

  Photo: American Colony, Jerusalem
  Restoration: Lise Broer/Fir0002

  Ottoman machine gun corps, before the Second Battle of Gaza, which took place on 19 April 1917. The First Battle of Gaza, just three weeks prior, had ended in defeat for the British Empire, and this second attempt to break through Turkish defenses was also unsuccessful. Six months later, on the third attempt, the Allied forces were finally able to break the Gaza–Beersheba line.
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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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  The Rhodes Colossus

  Illustration: Edward Linley Sambourne

  The Rhodes Colossus is an iconic editorial cartoon of the Scramble for Africa period, depicting British colonialist Cecil John Rhodes as a giant standing over the continent, after his announcement of plans to extend an electrical telegraph line from Cape Town to Cairo. Rhodes is shown in a visual pun as the ancient Greek statue the Colossus of Rhodes, with his right foot in Cape Town and his left in Cairo, illustrating his broader "Cape to Cairo" concept for British domination of Africa.
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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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  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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  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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  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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  Māori traditional textiles

  Illustration credit: M. Jackson, Illustrated London News

  The traditional clothing of the Māori can be seen in this engraving of a meeting between Māori and settlers in Hawke's Bay Province during the Invasion of Waikato in 1863. Muka, the fibre of New Zealand flax, was the basis of most clothing.
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  First flying machine

  Artist: Unknown

  A 1786 depiction of the first hot air balloon to carry humans, built by the Montgolfier brothers of Annonay, France. The flight occurred on 21 November 1783 from the grounds of the Château de la Muette in the western outskirts of Paris. Jean-François Pilâtre de Rozier, a physician, and François Laurent d'Arlandes, an army officer, flew aloft about 3,000 feet (1,000 m) above the city for a distance of 9 kilometres (6 mi), with a total flying time of 25 minutes.
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  Yellow badge

  Photograph credit: Ronald Torfs

  Yellow badges are badges that Jews were ordered to wear in public during periods of the Middle Ages by the ruling Christians and Muslims, and in Nazi Germany in the 1940s. The badges served to mark the wearer as a religious or ethnic outsider, and often served as a badge of shame. The badge pictured is in the collection of the Kazerne Dossin Memorial, Museum and Documentation Centre in Mechelen, Belgium.

Did you know (auto generated)

• ... that The Great Wave off Kanagawa has been described as "possibly the most reproduced image in the history of all art"?
• ... that writer Malcolm Neesam was awarded the Freedom of the Borough of Harrogate, England, by the town council for services to local history?
• ... that Kobe and Vanessa Bryant were founding donors of the National Museum of African American History and Culture?
• ... that the Al Qarara Cultural Museum, housed in a former grain silo, contained 6000 years of history?
• ... that Jane C. Beck traveled to Virginia, West Africa, and England to research the family history of Daisy Turner for her 2015 book Daisy Turner's Kin: An African American Family Saga?
• ... that the 1912 production of Man's Genesis was the first "primitive man" film ever made and created a prehistory film boom in the years following its release?

Featured biography –

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

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Bust of Shen at the Beijing Ancient Observatory

Shen Kuo (Chinese: 沈括; 1031–1095) or Shen Gua, courtesy name Cunzhong (存中) and pseudonym Mengqi (now usually given as Mengxi) Weng (夢溪翁), was a Chinese polymath, scientist, and statesman of the Song dynasty (960–1279). Shen was a master in many fields of study including mathematics, optics, and horology. In his career as a civil servant, he became a finance minister, governmental state inspector, head official for the Bureau of Astronomy in the Song court, Assistant Minister of Imperial Hospitality, and also served as an academic chancellor. At court his political allegiance was to the Reformist faction known as the New Policies Group, headed by Chancellor Wang Anshi (1021–1085).

In his Dream Pool Essays or Dream Torrent Essays (夢溪筆談; Mengxi Bitan) of 1088, Shen was the first to describe the magnetic needle compass, which would be used for navigation (first described in Europe by Alexander Neckam in 1187). Shen discovered the concept of true north in terms of magnetic declination towards the north pole, with experimentation of suspended magnetic needles and "the improved meridian determined by Shen's [astronomical] measurement of the distance between the pole star and true north". This was the decisive step in human history to make compasses more useful for navigation, and may have been a concept unknown in Europe for another four hundred years (evidence of German sundials made circa 1450 show markings similar to Chinese geomancers' compasses in regard to declination). (Full article...)

On this day

May 25: Africa Day (1963); Independence Day in Jordan (1946)

Samuel Taylor Coleridge

• 1816 – The poems Kubla Khan and Christabel by English poet Samuel Taylor Coleridge (pictured) were published.
• 1944 – The Wehrmacht and their collaborationist allies launched Operation Rösselsprung, a failed attempt to assassinate the Yugoslav Partisan leader Josip Broz Tito.
• 1961 – A fire broke out at a squatter settlement in Bukit Ho Swee, Singapore, rendering approximately 16,000 people homeless.
• 1979 – During takeoff from O'Hare International Airport in Chicago, an engine detached from American Airlines Flight 191, causing a crash that killed 273 people in the deadliest aviation accident in United States history.
• 2009 – North Korea conducted a nuclear test and several other missile tests that were widely condemned internationally and led to sanctions from the United Nations Security Council.

• Mary Magdalene de' Pazzi (d. 1607)
• Anna Maria Rückerschöld (d. 1805)
• Gustav Holst (d. 1934)
• Cillian Murphy (b. 1976)

More anniversaries:

• May 24
• May 25
• May 26

Selected quote

Even as the fingers of the two hands are equal, so are human beings equal to one another. No one has any right, nor any preference to claim over another. You are brothers.

— Muhammad, 7th century Islamic prophet

Related portals

More Did you know...

• ... that the Japanese aircraft carrier Amagi (wreck pictured) capsized on 29 July 1945 as a result of cumulative damage inflicted by American airstrikes on 24 and 28 July?
• ... that Scandinavian influence in Scotland, still evident today, was probably at its height during the time of Thorfinn the Mighty?
• ... that, after the 2003 invasion of Iraq, the Bassetki statue, which is more than 4,200 years old, was found in a cesspool?
• ... that in medieval art, angels were often depicted wearing feather tights?
• ... that 49% of German military losses happened in the last 10 months of the Second World War in Europe?
• ... that Joshua L. Goldberg, the first rabbi to serve as a World War II U.S. navy chaplain, was a Russian army deserter?
• ... that Richard Nixon chose the Wilson desk as his Oval Office desk because he believed it was used by Woodrow Wilson, informed that it was used by Henry Wilson, Vice President under Ulysses S. Grant, but actually bought by Garret Augustus Hobart, 24th Vice President of the United States under President William McKinley?
• ... that some of the nominally silver Roman coins from the Bredon Hill Hoard only have a 1% silver content?

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