August 20 in History

The 10s decade ran from January 1, AD 10, to December 31, AD 19.

The Battle of the Yarmuk (also spelled Yarmouk; Arabic: معركة اليرموك) was a major battle between the Byzantine Empire and the Rashidun Caliphate near the Yarmouk River in Byzantine Syria that marked a crucial point in the Muslim conquest of Syria. The result of the battle was a decisive Arab victory that effectively ended Byzantine rule in Syria. The battle consisted of a series of engagements that lasted for six days in August 636, near the Yarmouk River, along what are now the borders between Syria and Jordan and Syria and Israel, southeast of the Sea of Galilee. To check the Arab advance and to recover lost territory, Emperor Heraclius had sent a massive expedition to the Levant in May 636. As the Byzantine army approached, the Arabs tactically withdrew from Syria and regrouped all their forces at the Yarmuk plains close to the Arabian Peninsula, where they were reinforced, and defeated the numerically superior Byzantine army. The Battle of the Yarmuk is regarded as one of the most decisive battles in military history. It was also Khalid ibn al-Walid's greatest military victory and cemented his reputation as one of the greatest tacticians and cavalry commanders in history. The battle marked the culmination of the first great wave of early Muslim conquests after the death of the Islamic prophet Muhammad, which witnessed the rapid advance of the Rashidun Caliphate into both the Sasanian Empire and the Byzantine Empire.

The Battle of Achelous or Acheloos (Bulgarian: Битката при Ахелой, Greek: Μάχη του Αχελώου), also known as the Battle of Anchialus, took place on 20 August 917, on the Achelous river near the Bulgarian Black Sea coast, close to the fortress Tuthom (modern Pomorie) between Bulgarian and Byzantine forces. The Bulgarians obtained a decisive victory which not only secured the previous successes of Simeon I, but made him de facto ruler of the whole Balkan Peninsula, excluding the well-protected Byzantine capital Constantinople and the Peloponnese. The battle, which was one of the biggest and bloodiest battles of the European Middle Ages, was one of the worst disasters ever to befall a Byzantine army, and conversely one of the greatest military successes of Bulgaria. Among the most significant consequences was the official recognition of the imperial title of the Bulgarian monarchs, and the consequent affirmation of Bulgarian equality vis-à-vis Byzantium.

Isaac I Komnenos or Comnenus (Ancient Greek: Ἰσαάκιος Κομνηνός, romanized: Isaákios Komnēnós; c. 1007 – 1 June 1060) was Byzantine emperor from 1057 to 1059, the first reigning member of the Komnenian dynasty. The son of the general Manuel Erotikos Komnenos, he was orphaned at an early age, and was raised under the care of Emperor Basil II. He made his name as a successful military commander, serving as commander-in-chief of the eastern armies between c. 1042 and 1054. In 1057 he became the head of a conspiracy of the dissatisfied eastern generals against the newly crowned Michael VI Bringas. Proclaimed emperor by his followers on 8 June 1057, he rallied sufficient military forces to defeat the loyalist army at the Battle of Hades. While Isaac was willing to accept a compromise solution by being appointed Michael's heir, a powerful faction in Constantinople, led by the ambitious Patriarch of Constantinople, Michael Keroularios, pressured Michael to abdicate. After Michael abdicated on 30 August 1057, Isaac was crowned emperor in the Hagia Sophia on 1 September. As emperor, he rewarded his supporters, but also embarked on a series of fiscal measures designed to shore up revenue and eliminate the excesses allowed to flourish under his predecessors. His aim was to fill the treasury and restore the Byzantine army's effectiveness to preserve the empire. The reduction of salaries, harsh tax measures and confiscation of Church properties aroused much opposition, particularly from Patriarch Keroularios, who had come to think of himself as a king-maker. In November 1058, Keroularios was arrested and exiled, and died before a synod to depose him could be convened. The eastern frontier held firm during Isaac's reign, Hungarian raids were resolved by a treaty in 1059, while the restive Pechenegs were subdued by Isaac in person in summer 1059. Shortly after, Isaac fell ill, and on the advice and pressure of Michael Psellos, he abdicated his throne in favour of Constantine X Doukas, retiring to the Stoudion monastery where he died later in 1060.

The King of Hungary was the ruling head of state of the Kingdom of Hungary from 1000 to 1918. The style of title "Apostolic King of Hungary" was endorsed by Pope Clement XIII in 1758 and used afterwards by all monarchs of Hungary.

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, thereby leaving Henry landless. He subsequently 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. When William died in a hunting accident, Henry seized the English throne ahead of Robert, 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. Robert disputed Henry's control of England and invaded from Normandy in 1101. The ensuing military campaign ended in a negotiated settlement that confirmed Henry as king. The peace was short-lived, however, 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 subsequently 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. Considered by contemporaries to be a harsh but effective ruler, Henry skilfully manipulated the barons in England and Normandy. In England, he drew on the existing Anglo-Saxon system of justice, local government and taxation, but also strengthened it with more institutions such as the royal exchequer and itinerant justices. Many of the officials who ran Henry's system were "new men" of obscure backgrounds, rather than from families of high status, who rose through the ranks as administrators. Henry encouraged ecclesiastical reform but became embroiled in a serious dispute in 1101 with Archbishop Anselm of Canterbury, which was resolved through a compromise solution in 1105. He supported the Cluniac order and played a major role in the selection of the senior clergy in England and Normandy. Henry's son William drowned in the White Ship disaster of 1120, throwing the royal succession into doubt. Henry took a second wife, Adeliza of Louvain, in the hope of having another son, but their marriage was childless. In response to this, he declared his daughter Matilda his heir and married her to Geoffrey of Anjou. The relationship between Henry and the couple became strained, and fighting broke out along the border with Anjou. Henry died on 1 December 1135 after a week of illness. Despite his plans for Matilda, the King was succeeded by his nephew Stephen of Blois, resulting in a period of civil war known as the Anarchy.

Salah ad-Din Yusuf ibn Ayyub, commonly known as Saladin, was the founder of the Ayyubid dynasty and the first sultan of both Egypt and Syria. A Sunni Muslim ruler of Kurdish origin, Saladin was an important figure of the Third Crusade and spearheaded the Muslim military effort against the Crusader states in the Levant. At the height of his power, the Ayyubid realm spanned Egypt, Syria, Upper Mesopotamia, the Hejaz, Yemen, and Nubia.

The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a military order of the Catholic faith, and one of the most important military orders in Western Christianity. They were founded in 1118 to defend pilgrims on their way to Jerusalem, with their headquarters located there on the Temple Mount, and existed for nearly two centuries during the Middle Ages.

Wang Shouren (Chinese: 王守仁, 26 October 1472 – 9 January 1529), courtesy name Bo'an (Chinese: 伯安), art name Yangmingzi (traditional Chinese: 陽明子; simplified Chinese: 阳明子), usually referred to as Wang Yangming (traditional Chinese: 王陽明; simplified Chinese: 王阳明), was a Chinese statesman, general, and Neo-Confucian philosopher during the Ming dynasty. After Zhu Xi, he is commonly regarded as the most important Neo-Confucian thinker, for his interpretations of Confucianism that denied the rationalist dualism of the orthodox philosophy of Zhu Xi. Wang and Lu Xiangshan are regarded as the founders as the Lu–Wang school, or the School of the Mind. In China, Japan, and Western countries, he is known by his honorific name rather than his private name.

The Battle of Lens (20 August 1648) was the last major battle of the Thirty Years' War (1618–1648). A French force commanded by Louis, Grand Condé defeated a Spanish army under Archduke Leopold Wilhelm. The battle cemented the reputation of Condé as one of the greatest generals of his age. Over the four years following the decisive French victory at Rocroi against the Spanish Army of Flanders, the French captured dozens of towns throughout northern France and the Spanish Netherlands. Archduke Leopold Wilhelm was appointed governor of the Spanish Netherlands in 1647 to strengthen Spain's Habsburg alliance with Austria, and began a major counteroffensive the same year. The Spanish army first found success recapturing the fortresses of Armentières, Comines and Landrecies. The Prince de Condé was recalled from a failed campaign in Catalonia against the Spanish and appointed commander of the 16,000-man French army opposite the Spanish army of the Archduke and General Jean de Beck, the governor of Luxembourg. Condé captured Ypres but then the 18,000-strong Spanish-German force laid siege to Lens. Condé advanced to meet them. In the battle that ensued, Condé provoked the Spanish into giving up a strong hilltop position for an open plain, where he used the discipline and superior close-combat capabilities of his cavalry to charge and rout the Walloon-Lorrainer cavalry on the Spanish wings. The French infantry and cavalry in the center were attacked by the strong Spanish center, suffering heavy losses but holding their ground. The French cavalry on the wings, freed from any opposition, encircled and charged the Spanish center, who promptly capitulated. The Spanish lost half their army, some 8,000–9,000 men of which 3,000 were killed or wounded and 5,000–6,000 captured, 38 guns, 100 flags along with their pontoon bridges and baggage. French losses were 1,500 to 4,480 killed and wounded. The French victory contributed to the signing of the Peace of Westphalia but the outbreak of the Fronde rebellion prevented the French from exploiting their victory to the hilt against the Spanish.

The siege of Pensacola included two separate attempts in 1707 by English-supported Creek Indians to capture the town and fortress of Pensacola, one of two major settlements (the other was St. Augustine) in Spanish Florida. The attacks, part of Queen Anne's War (the North American theater of the War of the Spanish Succession), resulted in the burning of the town, and caused most of its Indian population to flee, although the fort withstood repeated attacks. The battles were primarily fought in the nighttime hours due to the excessive heat of the day. The first siege, in August, resulted in the destruction of the town, but Fort San Carlos de Austria successfully resisted the onslaught. In late November, a second expedition arrived, and made unsuccessful attacks on three consecutive nights before withdrawing. Pensacola's governor, Don Sebastián de Moscoso, whose garrison was depleted by disease, recruited convicted criminals to assist in the fort's defense.

The War of the Spanish Succession, 1701 to 1714, was a European great power conflict, caused by the death of Charles II of Spain in November 1700 without children. This led to a succession crisis between Philip of Anjou, grandson of Louis XIV of France, and Archduke Charles of Austria, backed by the Grand Alliance. Related conflicts include the Great Northern War and Queen Anne's War in North America.

Presidio San Agustín del Tucsón was a presidio located within Tucson, Arizona, United States. The original fortress was built by Spanish soldiers during the 18th century and was the founding structure of what became the city of Tucson. After the American arrival in 1856, the original walls were dismantled, with the last section torn down in 1918. A reconstruction of the northeast corner of the fort was completed in 2007 following an archaeological excavation that located the fort's northeast tower.

The Northwest Indian War was an armed conflict for control of the Northwest Territory between the United States and a loose confederation of Native American peoples who called themselves the United Indian Nations but are better known today as the Northwestern Confederacy. The United States Army considers the conflict to be the first of the American Indian Wars. Following centuries of conflict involving Native Americans and Europeans for control of the region, the lands comprising the Northwest Territory were ceded by Great Britain to the newly formed United States in the 1783 Treaty of Paris. The treaty used the Great Lakes as a border between British North America and the US, and led to the Americans assuming control over the Ohio Country and Illinois Country, which had previously been prohibited to European settlement. As US settlers moved into the Northwest Territory, they were resisted by local Native Americans, and a Wyandot-led confederacy was formed in 1785 to resist American expansion onto their lands. Four years after the confederacy was formed, the Constitution of the United States went into effect; George Washington was sworn in as president, which made him the commander-in-chief of all U.S. military forces. Washington subsequently directed the United States Army to enforce American sovereignty over the Northwest Territory. The U.S. Army, mainly consisting of untrained recruits and bolstered by volunteer militiamen, suffered a series of significant defeats, including the 1790 Harmar campaign and St. Clair's defeat in 1791, which are among the worst defeats ever suffered in the history of the United States Army. St. Clair's defeat destroyed most of the U.S. Army and left white settlers on the American frontier vulnerable to attack. Washington appointed General Anthony Wayne to rebuild the U.S. Army, with Wayne reorganizing it into the Legion of the United States in 1792 and spending a year training and supplying the Legion. He proceeded to lead a methodical campaign up the Great Miami and Maumee river valleys in the Ohio Country before leading the Legion to a decisive victory at the Battle of Fallen Timbers near the Lake Erie in 1794. Wayne subsequently established Fort Wayne at the Miami capital of Kekionga, and the defeated Northwestern Confederacy was forced to cede extensive territory, including much of present-day Ohio, to the US in the 1795 Treaty of Greenville. The war confirmed American control over the Northwest Territory, although the region would be invaded by British forces during the War of 1812.

Atlantic was a steamboat that sank in Lake Erie after a collision with the steamer Ogdensburg on 20 August 1852, with the loss of at least 150 but perhaps as many as 300 lives. The loss of life made this disaster, in terms of loss of life from the sinking of a single vessel, the fifth-worst tragedy in the history of the Great Lakes.

The president of the United States (POTUS) is the head of state and head of government of the United States. The president directs the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces.

Pyotr Ilyich Tchaikovsky ( chy-KOF-skee; 7 May 1840 – 6 November 1893) was a Russian composer of the Romantic period. He was the first Russian composer whose music made a lasting impression internationally. Tchaikovsky wrote some of the most popular concert and theatrical music in the classical repertoire, including the 1812 Overture, his First Piano Concerto, the Violin Concerto, the Romeo and Juliet Overture-Fantasy, several symphonies, the opera Eugene Onegin, and the ballets Swan Lake, The Sleeping Beauty and The Nutcracker. Although musically precocious, Tchaikovsky was educated for a career as a civil servant as there was little opportunity for a musical career in Russia at the time and no institutional music education system. When an opportunity for such an education arose, he entered the nascent Saint Petersburg Conservatory, from which he graduated in 1865. The formal Western-oriented teaching Tchaikovsky received there set him apart from composers of the contemporary nationalist movement embodied by the Russian composers of The Five, with whom his professional relationship was mixed. Despite his many popular successes, Tchaikovsky's life was punctuated by personal crises and depression. Contributory factors included his early separation from his mother for boarding school followed by her early death, the death of his close friend and colleague Nikolai Rubinstein, his failed marriage to Antonina Miliukova, and the collapse of his 13-year association with the wealthy patroness Nadezhda von Meck. Tchaikovsky's homosexuality, which he kept private, has traditionally also been considered a major factor, though some scholars have downplayed its importance. His dedication of his Sixth Symphony to his nephew Vladimir Davydov and the feelings he expressed about Davydov in letters to others have been cited as evidence for romantic love between the two. Tchaikovsky's sudden death at the age of 53 is generally ascribed to cholera, but there is an ongoing debate as to whether cholera was indeed the cause and whether the death was intentional. While his music has remained popular among audiences, critical opinions were initially mixed. Some Russians did not feel it sufficiently represented native musical values and expressed suspicion that Europeans accepted the music for its Western elements. In an apparent reinforcement of that claim, some Europeans lauded Tchaikovsky for offering music more substantive than exoticism and said he transcended the stereotypes of Russian classical music. Others dismissed Tchaikovsky's music as deficient because it did not stringently follow Western principles.

Sun Yat-sen was a Chinese physician, revolutionary and political philosopher who founded the Republic of China (ROC) and the Kuomintang (KMT). Sun is credited with leading the 1911 Revolution and overthrowing the Qing dynasty. He served as the first president of the Provisional Government of the Republic of China (1912) and as the inaugural premier of the Kuomintang.

World War I, or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. One of the deadliest conflicts in history, World War I resulted in an estimated 15 to 22 million deaths, including those in war crimes and genocides. The war also helped spread the Spanish flu pandemic. The conflict saw important developments in weaponry, including the first large-scale use of machine guns, artillery, aircraft, chemical weapons, and tanks.

WWJ (950 kHz) is a commercial AM radio station licensed to serve Detroit, Michigan, featuring an all-news radio format known as WWJ Newsradio 950. Owned by Audacy, Inc., the station services Metro Detroit, and is the flagship station for the Michigan Sports Network. Operating on a regional broadcast frequency, its studios are in the Panasonic Building in Southfield. The station's transmitter site is near Newport. WWJ broadcasts full-time with 50,000 watts, using a five-tower directional antenna system during daytime hours, and its entire six-tower array at night. WWJ has the highest field strength – 7,980 mV/m at a distance of 1 km – in a single direction (nighttime pattern) of any U.S. AM station. With this powerful signal primarily sent to the north, the station can be heard in parts of northern Michigan during nighttime hours, including the Upper Peninsula and Mackinac areas, and much of southern Lower Michigan during the day. WWJ is licensed by the Federal Communications Commission to broadcast in the HD Radio format, and is simulcast on the HD-2 sub-channel of sister station WXYT-FM. On the air for over a century, WWJ began daily broadcasts as the "Detroit News Radiophone" on August 20, 1920, while it operated under an amateur radio license with the call sign "8MK". Over the years the station has claimed the titles of "America's Pioneer Broadcasting Station" and where "commercial radio broadcasting began."

The National Football League (NFL) is a professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the major professional sports leagues in the United States and Canada and the highest professional level of American football in the world. Each NFL season begins annually with a three-week preseason in August, followed by an 18-week regular season, which runs from early September to early January, with each team playing 17 games and having one bye week. Seven teams from each conference, including the four division winners and three wild card teams, then advance to the playoffs, a single-elimination tournament, which culminates in the Super Bowl, played in early February between the winners of the AFC and NFC championship games. The NFL is headquartered in New York City. The NFL was formed in 1920 as the American Professional Football Association (APFA) before renaming itself the National Football League for the 1922 season. After initially determining champions through end-of-season standings, a playoff system was implemented in 1933 that culminated with the NFL Championship Game until 1966. Following an agreement to merge the NFL with the rival American Football League (AFL), the Super Bowl was first held in 1967 to determine a champion between the best teams from the two leagues and has remained as the final game of each NFL season since the merger was completed in 1970. The NFL is the wealthiest professional sports league in the world by revenue, and the sports league with the most valuable teams. The NFL also has the highest average attendance (67,591) of any professional sports league in the world and is the most popular sports league in the United States. The Super Bowl is also among the most-watched sporting events in the world, with the individual games accounting for many of the most watched television programs in American history and occupying the top five of Nielsen's all-time most-watched U.S. television broadcasts by 2015. The Green Bay Packers hold the most overall NFL championships with thirteen, winning nine titles before the Super Bowl era and four Super Bowls afterwards. Since the creation of the Super Bowl, the New England Patriots and Pittsburgh Steelers are tied for the most victories with six each. The reigning Super Bowl champions are the Seattle Seahawks.

Lev Davidovich Trotsky (né Bronstein; 7 November [O.S. 26 October] 1879 – 21 August 1940), better known as Leon Trotsky, was a Russian revolutionary, Soviet politician, and political theorist. He was a key figure in the 1905 Revolution, the October Revolution of 1917, the Russian Civil War, and the establishment of the Soviet Union, from which he was exiled in 1929 before his assassination in 1940. Trotsky and Vladimir Lenin were widely considered the two most prominent figures in the Soviet state from 1917 until Lenin's death in 1924. Ideologically a Marxist and a Leninist, Trotsky's ideas and beliefs inspired a school of Marxism known as Trotskyism. Trotsky joined the Russian Social Democratic Labour Party in 1898, being arrested and exiled to Siberia for his activities. In 1902 he escaped to London, where he met Lenin. Trotsky initially sided with the Mensheviks against Lenin's Bolsheviks in the party's 1903 schism, but declared himself non-factional in 1904. During the 1905 Revolution, Trotsky was elected chairman of the Saint Petersburg Soviet. He was again exiled to Siberia, but escaped in 1907 and lived abroad. After the February Revolution of 1917, Trotsky joined the Bolsheviks and was elected chairman of the Petrograd Soviet. He helped to lead the October Revolution, and as the People's Commissar for Foreign Affairs negotiated the Treaty of Brest-Litovsk, by which Russia withdrew from World War I. He served as People's Commissar for Military Affairs from 1918 to 1925, during which he built the Red Army and led it to victory in the civil war. In 1922 Lenin formed a bloc with Trotsky against the growing Soviet bureaucracy and proposed that he should become a deputy premier, but Trotsky declined. Beginning in 1923, Trotsky led the party's Left Opposition faction, which supported greater levels of industrialisation, voluntary collectivisation and party democratisation in a shared framework with the New Economic Policy. After Lenin's death in 1924, Trotsky emerged as a prominent critic of Joseph Stalin, who soon politically outmanoeuvred him. Trotsky was expelled from the Politburo in 1926 and from the party in 1927, exiled to Alma Ata in 1928 and deported in 1929. He lived in Turkey, France, and Norway before settling in Mexico in 1937. In exile, Trotsky wrote polemics against Stalinism, advocating proletarian internationalism against Stalin's theory of socialism in one country. Trotsky's theory of permanent revolution held that the revolution could survive only if it spread to more advanced capitalist countries. In The Revolution Betrayed (1936), he argued that the Soviet Union had become a "degenerated workers' state", and in 1938 founded the Fourth International as an alternative to the Comintern. After being sentenced to death in absentia at the Moscow show trials in 1936, Trotsky was assassinated in 1940 in Mexico City by Ramón Mercader, a Stalinist agent. Written out of official history under Stalin, Trotsky was one of the few of his rivals who were never politically rehabilitated by later Soviet leaders. In the Western world, Trotsky emerged as a hero of the anti-Stalinist left for his defence of a more democratic, internationalist form of socialism against Stalinist totalitarianism, and for his intellectual contributions to Marxism. While some of his wartime actions are controversial, such as his ideological defence of the Red Terror and violent suppression of the Kronstadt rebellion, scholarship ranks Trotsky's leadership of the Red Army highly among historical figures, and he is credited for his major involvement with the military, economic, cultural and political development of the Soviet Union.

World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated, with many engaging in total war on an unprecedented scale. World War II was the deadliest conflict in history, causing the deaths of 60 to 75 million people, a majority of whom were civilians. Millions died as a result of massacres, starvation, disease, and genocides including the Holocaust. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were tried for war crimes.

The Eighth Route Army, also known as the 18th Group Army, was a field army nominally under the banner of the National Revolutionary Army (NRA) of the Republic of China, established in 1937 as part of the Second United Front against Japan. In practice, the Eighth Route Army was under the exclusive command of the Chinese Communist Party (CCP) and operated independently of the Kuomintang (KMT) central military command. Unlike most NRA units, which were directly overseen by the Nationalist Government, the Eighth Route Army maintained separate political and operational structures aligned with CCP objectives.

The Battle of Romania in World War II comprised several operations in or around Romania in 1944, as part of the Eastern Front, in which the Soviet Army defeated Axis forces in the area, Romania changed sides, and Soviet and Romanian forces drove the Germans back into Hungary.

New York, often called New York City (NYC), is the most populous city in the United States. It is located at the southern tip of New York State on New York Harbor, one of the world's largest natural harbors. The city comprises five boroughs—Manhattan, Brooklyn, Queens, the Bronx, and Staten Island—each being coextensive with its respective county. It is the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the United States by both population and urban area. New York is a global center of technology, finance and commerce, culture, entertainment and media, academics and scientific output, the arts and fashion—and as home to the headquarters of the United Nations, international diplomacy. New York City is known for its fast pace and continuous urban energy.

Hungary is a landlocked country in Central Europe. Spanning much of the Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and Slovenia to the southwest, and Austria to the west. Hungary lies within the Danube River's drainage basin and is dominated by great lowland plains. It has a population of over 9.5 million, consisting mostly of ethnic Hungarians (Magyars) and a significant Romani minority. Hungarian is the official language and among the few in Europe outside the Indo-European family. Budapest is the country's capital, largest city, and cultural and economic centre.

Senegal, officially the Republic of Senegal, is the westernmost country of mainland West Africa, situated along the Atlantic Ocean coast. It borders Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest. Senegal nearly surrounds the Gambia, a country occupying a narrow strip of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. It also shares a maritime border with Cape Verde. The capital and largest city of Senegal is Dakar.

NS Savannah was the first nuclear-powered merchant ship, launched on July 21, 1959, two years after the Soviet ice-breaker Lenin, the first nuclear-powered civilian vessel. A demonstration project for the potential peacetime uses of nuclear energy, she was built in the late 1950s at a cost of $46.9 million. Savannah was given the new designation "NS" for "Nuclear Ship", replacing the traditional commercial vessel prefix "SS" for "Screw Steamer", and was named after SS Savannah, the first steamship to cross the Atlantic Ocean. She was funded by United States government agencies as part of President Dwight D. Eisenhower's 1955 "Atoms for Peace" program, and was in service between 1962 and 1972 as one of only four nuclear-powered cargo ships ever built.

The Cold War was a period of international geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc. It began in the aftermath of the Second World War and ended with the dissolution of the Soviet Union in 1991. The term cold war is used because there was no direct fighting between the two superpowers, though each supported opposing sides in regional conflicts known as proxy wars. In addition to the struggle for ideological and economic influence and an arms race in both conventional and nuclear weapons, the Cold War was expressed through technological rivalries such as the Space Race, espionage, propaganda campaigns, embargoes, and sports diplomacy.

The Viking program consisted of a pair of identical American space probes, Viking 1 and Viking 2 both launched in 1975, and landed on Mars in 1976. The mission effort began in 1968 and was managed by the NASA Langley Research Center. Each spacecraft was composed of two main parts: an orbiter spacecraft which photographed the surface of Mars from orbit, and a lander which studied the planet from the surface. The orbiters also served as communication relays for the landers once they touched down.

ČSA Flight 540 was a regularly scheduled international flight from Prague, Czechoslovakia to Tehran, Iran via Damascus, Syria and Baghdad, Iraq. On 20 August 1975, the flight, operated by an Ilyushin Il-62, crashed 17 km (11 mi) from Damascus International Airport while descending at night in clear weather, breaking up and catching fire on impact. 126 of the 128 passengers and crew died in the accident, making it Syria's worst air disaster and the worst air disaster for the airline. Following the crash, the Czechoslovak government sent their condolences to the victims and Damascus.

The Voyager program is an American scientific program that employs two interstellar probes, Voyager 1 and Voyager 2. They were launched in 1977 to take advantage of a favorable planetary alignment to explore the two gas giants Jupiter and Saturn and potentially also the ice giants, Uranus and Neptune—to fly near them while collecting data for transmission back to Earth. After Voyager 1 successfully completed its flyby of Saturn and its moon Titan, it was decided that Voyager 2 would continue on its pre-planned trajectory to fly by Uranus and Neptune.

Edmond is a city in Oklahoma County, Oklahoma, United States. It is a part of the Oklahoma City metropolitan area, in Central Oklahoma. Its population was 94,428 at the 2020 United States census, a 16% increase from 2010, making it the 5th most populous city in Oklahoma.

The largest wildfire in the recorded history of Yellowstone National Park in the United States took place in 1988. Starting as many smaller individual fires, the flames quickly spread out of control due to drought conditions and increasing winds, combining into several large conflagrations which burned for several months. The fires almost destroyed two major visitor destinations and, on September 8, 1988, the entire park was closed to all non-emergency personnel for the first time in its history. Only the arrival of cool and moist weather in the late autumn brought the fires to an end. A total of 793,880 acres (321,272 ha), or 36 percent of the national park, burned at varying levels of severity.

The Iran–Iraq War, also called the First Imposed War, Eight-Year War, or Sacred Defense by Iran, began with the Iraqi invasion of Iran in September 1980. After eight years of conflict, both countries accepted a ceasefire deal brokered by the United Nations, which became effective in August 1988. The war caused around 500,000 deaths, making it the deadliest conventional war ever fought between regular armies of developing countries.

The Troubles were an ethno-nationalist conflict in Northern Ireland that lasted from the late 1960s to 1998. Also known internationally as the Northern Ireland conflict, it is usually deemed to have ended with the Good Friday Agreement of 1998. Although centred in Northern Ireland, violence at times spilled into the Republic of Ireland, England, and mainland Europe. The conflict arose from political and nationalistic disputes with a strong ethnic and sectarian dimension. Unionists and loyalists, mostly Ulster Protestants, wanted Northern Ireland to remain in the United Kingdom, while Irish nationalists and republicans, mostly Irish Catholics, wanted it to join a united Ireland. Despite the division between Protestants and Catholics, it was not a religious war.

The Marchioness disaster was a collision between two vessels on the River Thames in London in the early hours of 20 August 1989, which resulted in the deaths of 51 people. The pleasure boat Marchioness sank after being hit twice by the dredger Bowbelle at about 1:46 am, between Cannon Street railway bridge and Southwark Bridge.

On 26 December 1991, the Soviet Union was formally dissolved and ceased to exist as a sovereign state and subject of international law. It also brought an end to the Soviet Union's federal government and to Soviet leader Mikhail Gorbachev's efforts to reform the Soviet political and economic system in an attempt to stop a period of political and economic stagnation.

Estonia, officially the Republic of Estonia, is a country in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Russia. The territory of Estonia consists of the mainland, the larger islands of Saaremaa and Hiiumaa, and over 2,300 other islands and islets on the east coast of the Baltic Sea. Its capital city of Tallinn, along with the city of Tartu, are the country's two largest urban areas. The Estonian language, of the Finnic family, is the official language and the first language of the majority of nearly 1.4 million people. Estonia is one of the least populous member states of the European Union.

Meitei, also known as Manipuri, is a Tibeto-Burman language of northeast India. It is the official language and the lingua franca of Manipur and an additional official language in four districts of Assam. It is one of the constitutionally scheduled official languages of the Indian Republic. Meitei is the most widely-spoken Tibeto-Burman language of India and the third most widely spoken language of northeast India after Assamese and Bengali. There are 1.76 million Meitei native speakers in India according to the 2011 census, 1.52 million of whom are found in the state of Manipur, where they represent the majority of its population. There are smaller communities in neighbouring Indian states, such as Assam (168,000), Tripura (24,000), Nagaland (9,500), and elsewhere in the country (37,500). The language is also spoken by smaller groups in neighbouring Myanmar and Bangladesh.

The Supreme Court of Canada is the highest court in the judicial system of Canada. It comprises nine justices, whose decisions are the ultimate application of Canadian law, and grants permission to between 40 and 75 litigants each year to appeal decisions rendered by provincial, territorial and federal appellate courts. The Supreme Court is bijural, hearing cases from two major legal traditions and bilingual, hearing cases in both official languages of Canada.

The 1998 United States embassy bombings were a series of terrorist attacks that occurred on August 7, 1998. More than 220 people were killed in two nearly simultaneous truck bomb explosions in two East African capital cities, one at the United States embassy in Dar es Salaam, Tanzania, and the other at the United States embassy in Nairobi, Kenya.

Saddam Hussein Abd al-Majid al-Tikriti was an Iraqi politician and revolutionary who served as the fifth president of Iraq from 1979 until his overthrow in 2003. He also served as prime minister of Iraq from 1979 to 1991 and later from 1994 to 2003. He was a leading member of the revolutionary Arab Socialist Ba'ath Party, and later, the Baghdad-based Ba'ath Party and its regional organization, the Iraqi Ba'ath Party, which espoused Ba'athism, a mix of Arab nationalism and Arab socialism.

The Sri Lankan civil war was fought in Sri Lanka from 1983 to 2009. Beginning on 23 July 1983, it was an intermittent insurgency against the government by the Liberation Tigers of Tamil Eelam led by Velupillai Prabhakaran. The LTTE fought to create an independent Tamil state called Tamil Eelam in the north-east of the island in response to continuous discrimination and violent persecution against Sri Lankan Tamils by the predominantly Sinhalese government of Sri Lanka.

China Airlines Flight 120 was a regularly scheduled international flight from Taoyuan International Airport in Taoyuan County, Taiwan to Naha Airport in Okinawa Prefecture, Japan. On 20 August 2007, the Boeing 737-800 aircraft operating the flight caught fire and exploded after landing and taxiing to the gate area at Naha Airport. Four people—three from the aircraft and one ground crew—sustained injuries in the accident. The fire was caused by a loose bolt puncturing a fuel tank. The aircraft was written off.

Spanair Flight 5022 was a scheduled domestic passenger flight from Barcelona–El Prat Airport to Gran Canaria Airport, Spain, with a stopover in Madrid–Barajas Airport that crashed just after take-off from runway 36L at Madrid-Barajas Airport at 14:24 CEST (12:24 UTC) on 20 August 2008. The aircraft was a McDonnell Douglas MD-82, registration EC-HFP. Of the 172 passengers and crew on board, 154 died and 18 survived.

First Air Flight 6560 was a domestic charter flight that crashed on landing at Resolute, Nunavut, Canada, on 20 August 2011. Of the fifteen people on board, twelve were killed and the remaining three were severely injured. The Boeing 737-200 of First Air was operating a service from Yellowknife, Northwest Territories, when it struck a hill obscured by clouds near Resolute Bay Airport.

Hiroshima Prefecture is a prefecture of Japan located in the Chūgoku region of Honshu. Hiroshima Prefecture has a population of 2,811,410 and has a geographic area of 8,479 km2. Hiroshima Prefecture borders Okayama Prefecture to the east, Tottori Prefecture to the northeast, Shimane Prefecture to the north, and Yamaguchi Prefecture to the southwest. Hiroshima Prefecture also borders Ehime Prefecture for 74 metres (243 ft) on Hyōtanjima.

On 20 August 2016, a suicide bomber targeted a Kurdish wedding in Gaziantep, Turkey. 57 people were killed and 66 injured in the attack, 14 critically.

Joseph Robinette Biden Jr. is an American retired politician who served as the 46th president of the United States from 2021 to 2025. A member of the Democratic Party, he represented Delaware in the United States Senate from 1973 to 2009 and also served as the 47th vice president under President Barack Obama from 2009 to 2017.