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850s
The 850s decade ran from January 1, 850, to December 31, 859. Significant people * Al-Mutawakkil * Charles the Bald * Louis the German * Lothar * Ethelwulf of Wessex * Bardas Bardas ( el, Βάρδας; died 21 April 866) was a Byzantine Empire, Byzantine noble and high-ranking minister. As the brother of Empress Theodora (wife of Theophilos), Theodora, he rose to high office under Theophilos (emperor), Theophilos (. ... * Kenneth I of Scotland * Halfdan the Black * Abu Ja'far Muhammad ibn Musa al-Khwarizmi References Sources * * * * * * * * * * {{refend ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Mutawakkil
Abū al-Faḍl Jaʿfar ibn Muḥammad al-Muʿtaṣim bi-ʾllāh ( ar, جعفر بن محمد المعتصم بالله; March 822 – 11 December 861), better known by his regnal name Al-Mutawakkil ʿalā Allāh (, "He who relies on God") was the tenth Abbasid caliph. He succeeded his brother, al-Wathiq, and is known for expanding the empire to its maximum extent. He was deeply religious, and is remembered for discarding the Muʿtazila, ending the Mihna (a period of persecution of Islamic scholars), and releasing Ahmad ibn Hanbal. He is also known for his tough rule, especially with respect to non-Muslim subjects. He was assassinated on 11 December 861 by the Turkic guard with the support of his son, al-Muntasir, marking the beginning of the period of civil strife known as the "Anarchy at Samarra". Early life Al-Mutawakkil was born on February/March 822 to the Abbasid prince Abu Ishaq Muhammad (the future al-Mu'tasim) and a slave concubine from Khwarazm called Shuja. His ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles The Bald
Charles the Bald (french: Charles le Chauve; 13 June 823 – 6 October 877), also known as Charles II, was a 9th-century king of West Francia (843–877), king of Italy (875–877) and emperor of the Carolingian Empire (875–877). After a series of civil wars during the reign of his father, Louis the Pious, Charles succeeded, by the Treaty of Verdun (843), in acquiring the western third of the empire. He was a grandson of Charlemagne and the youngest son of Louis the Pious by his second wife, Judith. Struggle against his brothers He was born on 13 June 823 in Frankfurt, when his elder brothers were already adults and had been assigned their own ''regna'', or subkingdoms, by their father. The attempts made by Louis the Pious to assign Charles a subkingdom, first Alemannia and then the country between the Meuse and the Pyrenees (in 832, after the rising of Pepin I of Aquitaine) were unsuccessful. The numerous reconciliations with the rebellious Lothair and Pepin, as well as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Louis The German
Louis the German (c. 806/810 – 28 August 876), also known as Louis II of Germany and Louis II of East Francia, was the first king of East Francia, and ruled from 843 to 876 AD. Grandson of emperor Charlemagne and the third son of Louis the Pious, emperor of Francia, and his first wife, Ermengarde of Hesbaye, he received the appellation ''Germanicus'' shortly after his death when East Francia became known as the kingdom of Germany. After protracted clashes with his father and his brothers, Louis received the East Frankish kingdom in the Treaty of Verdun (843). His attempts to conquer his half-brother Charles the Bald's West Frankish kingdom in 858–59 were unsuccessful. The 860s were marked by a severe crisis, with the East Frankish rebellions of the sons, as well as struggles to maintain supremacy over his realm. In the Treaty of Meerssen he acquired Lotharingia for the East Frankish kingdom in 870. On the other hand, he tried and failed to claim both the title of Emperor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lothair I
Lothair I or Lothar I (Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario'') (795 – 29 September 855) was emperor (817–855, co-ruling with his father until 840), and the governor of Bavaria (815–817), King of Italy (818–855) and Middle Francia (840–855). Lothair was the eldest son of the Carolingian emperor Louis the Pious and his wife Ermengarde of Hesbaye, daughter of Ingerman the duke of Hesbaye. On several occasions, Lothair led his full-brothers Pepin I of Aquitaine and Louis the German in revolt against their father to protest against attempts to make their half-brother Charles the Bald a co-heir to the Frankish domains. Upon the father's death, Charles and Louis joined forces against Lothair in a three-year civil war (840–843). The struggles between the brothers led directly to the breakup of the Frankish Empire assembled by their grandfather Charlemagne, and laid the foundation for the development of moder ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bardas
Bardas ( el, Βάρδας; died 21 April 866) was a Byzantine Empire, Byzantine noble and high-ranking minister. As the brother of Empress Theodora (wife of Theophilos), Theodora, he rose to high office under Theophilos (emperor), Theophilos (. Although sidelined after Theophilos's death by Theodora and Theoktistos, in 855 he engineered Theoktistos's murder and became the ''de facto'' regent for his nephew, Michael III (). Rising to the rank of ''Caesar (title), Caesar'', he was the effective ruler of the Byzantine Empire for ten years, a period which saw military success, renewed diplomatic and missionary activity, and an intellectual revival that heralded the Macedonian Renaissance. He was assassinated in 866 at the instigation of Michael III's new favourite, Basil the Macedonian, who a year later would usurp the throne for himself and install Macedonian dynasty, his own dynasty on the Byzantine throne. Biography Early life Bardas was born to the ''droungarios'' Marinos and The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kenneth I Of Scotland
Kenneth MacAlpin ( mga, Cináed mac Ailpin, label=Medieval Gaelic, gd, Coinneach mac Ailpein, label=Modern Scottish Gaelic; 810 – 13 February 858) or Kenneth I was King of Dál Riada (841–850), King of the Picts (843–858), and the King of Alba (843–858) of likely Gaelic origin. He inherited the throne of Dál Riada from his father Alpín mac Echdach, founder of the Alpínid dynasty. Kenneth I conquered the kingdom of the Picts in 843–850 and began a campaign to seize all of Scotland in the Middle Age, Scotland and assimilate the Picts, for which he was posthumously nicknamed ''An Ferbasach'' ("The Conqueror"). Forteviot became the capital of his kingdom, and he also fought the Celtic Britons, Britons of the Kingdom of Strathclyde and the invading Scandinavian Scotland, Vikings from Scandinavia. Kenneth also relocated relics including the Stone of Scone from an Iona Abbey, abandoned abbey on Iona to his new domain. Kenneth I is traditionally considered the founder of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halfdan The Black
Halfdan the Black (Old Norse: ''Halfdanr Svarti''; fl. c. 9th century) was a king of Vestfold. He belonged to the House of Yngling and was the father of Harald Fairhair, the first king of a unified Norway. In sagas According to ''Heimskringla'' and ''Fagrskinna'', Halfdan was the son of the Yngling King Gudrød the Hunter. ''Heimskringla'' also names his mother, as Åsa, daughter of King Harald of Agder, and his half-brother as Olaf Geirstad-Alf. Heimskringla relates that when Halfdan's father was killed, Åsa took the 1 year-old Halfdan and returned to Agder, where Halfdan was raised. When he was 18 or 19 years old, Halfdan became king of Agder. He quickly began adding to his kingdom, through political negotiation and military conquest. He divided the kingdom of Vestfold with his brother Olaf and, through military action, persuaded King Gandalf of Vingulmark to cede half his kingdom. Based on the formulaic nature of his ties to his predecessors, his strong affiliation with Agd ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Muhammad Ibn Musa Al-Khwarizmi
Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persians, Persian polymath from Khwarazm, who produced vastly influential works in Mathematics in medieval Islam, mathematics, Astronomy in the medieval Islamic world, astronomy, and Geography and cartography in medieval Islam, geography. Around 820 CE, he was appointed as the astronomer and head of the library of the House of Wisdom in Baghdad.Maher, P. (1998), "From Al-Jabr to Algebra", ''Mathematics in School'', 27(4), 14–15. Al-Khwarizmi's popularizing treatise on algebra (''The Compendious Book on Calculation by Completion and Balancing'', c. 813–833 CEOaks, J. (2009), "Polynomials and Equations in Arabic Algebra", ''Archive for History of Exact Sciences'', 63(2), 169–203.) presented the first systematic solution of linear equation, linear and quadratic equations. One of his principal achievements in algebra was his demon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
