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9th-century
The 9th century was a period from 801 ( DCCCI) through 900 ( CM) in accordance with the Julian calendar. The Carolingian Renaissance and the Viking raids occurred within this period. In the Middle East, the House of Wisdom was founded in Abbasid Baghdad, attracting many scholars to the city. The field of algebra was founded by the Muslim polymath al-Khwarizmi. The most famous Islamic Scholar Ahmad ibn Hanbal was tortured and imprisoned by Abbasid official Ahmad ibn Abi Du'ad during the reign of Abbasid caliph al-Mu'tasim and caliph al-Wathiq. In Southeast Asia, the height of the Mataram Kingdom happened in this century, while Burma would see the establishment of the major kingdom of Pagan. Tang China started the century with the effective rule under Emperor Xianzong and ended the century with the Huang Chao rebellions. While the Maya experienced widespread political collapse in the central Maya region, resulting in internecine warfare, the abandonment of cities, and a northward ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Khwarizmi
Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronomy, and 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 and quadratic equations. One of his principal achievements in algebra was his demonstration of how to solve quadratic equations by completing the square, for which he provided geometric justifications. Because he was the firs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ahmad Ibn Hanbal
Ahmad ibn Hanbal al-Dhuhli ( ar, أَحْمَد بْن حَنْبَل الذهلي, translit=Aḥmad ibn Ḥanbal al-Dhuhlī; November 780 – 2 August 855 CE/164–241 AH), was a Muslim jurist, theologian, ascetic, hadith traditionist, and founder of the Hanbali school of Sunni jurisprudence — one of the four major orthodox legal schools of Sunni Islam. A highly influential and active scholar during his lifetime,H. Laoust, "Ahmad b. Hanbal," in ''Encyclopedia of Islam'', Vol. I, pp. 272-7 Ibn Hanbal went on to become "one of the most venerated" intellectual figures in Islamic history, who has had a "profound influence affecting almost every area of" the traditionalist perspective within Sunni Islam.Holtzman, Livnat, “Aḥmad b. Ḥanbal”, in: Encyclopaedia of Islam, THREE, Edited by: Kate Fleet, Gudrun Krämer, Denis Matringe, John Nawas, Everett Rowson. One of the foremost classical proponents of relying on scriptural sources as the basis for Sunni Islamic law and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Wathiq
Abū Jaʿfar Hārūn ibn Muḥammad ( ar, أبو جعفر هارون بن محمد المعتصم; 17 April 812 – 10 August 847), better known by his laqab, regnal name al-Wāthiq bi’llāh (, ), was an Abbasid caliph who reigned from 842 until 847 AD (227–232 AH in the Islamic calendar). Al-Wathiq is described in the sources as well-educated, intellectually curious, but also a poet and a drinker, who enjoyed the company of poets and musicians as well as scholars. His brief reign was one of continuity with the policies of his father, al-Mu'tasim, as power continued to rest in the hands of the same officials whom al-Mu'tasim had appointed. The chief events of the reign were the suppression of revolts: Bedouin rebellions occurred in Bilad al-Sham, Syria in 842, the Hejaz in 845, and the Yamamah in 846, Arminiya, Armenia had to be pacified over several years, and above all, an abortive uprising took place in Baghdad itself in 846, under Ahmad ibn Nasr al-Khuza'i. The latter w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ahmad Ibn Abi Du'ad
Abu 'Abdallah Ahmad ibn Abi Du'ad al-Iyadi ( ar, أبو عبد الله أحمد بن أبي دؤاد الإيادي, ʾAbū ʿAbd Allāh ʾAḥmad ibn ʾAbī Duʾād al-ʾIyādī) (776/7–June 854) was an Islamic religious judge (''qadi'') of the mid-ninth century. A proponent of Mu'tazilism, he was appointed as chief judge of the Abbasid Caliphate in 833, and became highly influential during the caliphates of al-Mu'tasim and al-Wathiq. During his tenure as chief judge he sought to maintain Mu'tazilism as the official ideology of the state, and he played a leading role in prosecuting the Inquisition (''mihnah'') to ensure compliance with Mu'tazilite doctrines among officials and scholars. In 848 Ibn Abi Du'ad suffered a stroke and transferred his position to his son Muhammad, but his family's influence declined during the caliphate of al-Mutawakkil, who gradually abandoned Mu'tazilism and put an end to the '. As one of the most senior officials during the reigns of several caliph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pagan Kingdom
The Kingdom of Pagan ( my, ပုဂံခေတ်, , ; also known as the Pagan Dynasty and the Pagan Empire; also the Bagan Dynasty or Bagan Empire) was the first Burmese kingdom to unify the regions that would later constitute modern-day Myanmar. Pagan's 250-year rule over the Irrawaddy River, Irrawaddy valley and its periphery laid the foundation for the ascent of Burmese language and Burmese culture, culture, the spread of Bamar people, Bamar ethnicity in Upper Myanmar, and the growth of Theravada Buddhism in Myanmar and in mainland Southeast Asia.Lieberman 2003: 88–123 The kingdom grew out of a small 9th-century settlement at Bagan, Pagan (present-day Bagan) by the Bamar, Mranma/Burmans, who had recently entered the Irrawaddy valley from the Kingdom of Nanzhao. Over the next two hundred years, the small principality gradually grew to absorb its surrounding regions until the 1050s and 1060s when King Anawrahta founded the Pagan Empire, for the first time unifying und ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Huang Chao
Huang Chao (835 – July 13, 884) was a Chinese smuggler, soldier, and rebel, and is most well known for being the leader of a major rebellion that severely weakened the Tang dynasty. Huang was a Salt in Chinese history, salt smuggler before joining Wang Xianzhi (rebel), Wang Xianzhi's rebellion in the mid-870s. After splitting with Wang, his army turned south and conquered Guangzhou. In 881, his troops captured the capital Chang'an, forcing Emperor Xizong of Tang to flee. Huang proclaimed himself the Qi emperor, but was defeated by the Tang army led by the Shatuo chieftain Li Keyong in 883 and forced to desert Chang'an. Following successive defeats, including to former subordinates Zhu Wen and Shang Rang who had surrendered to Tang, Huang was killed by his nephew Lin Yan (:zh:林言, 林言). Background The Tang dynasty, established in 618 A.D., had already passed its golden age and entered its long decline beginning with the An Lushan Rebellion by Turkic peoples, Turkic ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abbasid Caliphate
The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib (566–653 CE), from whom the dynasty takes its name. They ruled as caliphs for most of the caliphate from their capital in Baghdad in modern-day Iraq, after having overthrown the Umayyad Caliphate in the Abbasid Revolution of 750 CE (132 AH). The Abbasid Caliphate first centered its government in Kufa, modern-day Iraq, but in 762 the caliph Al-Mansur founded the city of Baghdad, near the ancient Babylonian capital city of Babylon. Baghdad became the center of science, culture and invention in what became known as the Golden Age of Islam. This, in addition to housing several key academic institutions, including the House of Wisdom, as well as a multiethnic and multi-religious environment, garnered it a worldwide reputation as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Mu'tasim
Abū Isḥāq Muḥammad ibn Hārūn al-Rashīd ( ar, أبو إسحاق محمد بن هارون الرشيد; October 796 – 5 January 842), better known by his regnal name al-Muʿtaṣim biʾllāh (, ), was the eighth Abbasid caliph, ruling from 833 until his death in 842. A younger son of Caliph Harun al-Rashid (r. 786–809), he rose to prominence through his formation of a private army composed predominantly of Turkic slave-soldiers (, sing. ). This proved useful to his half-brother, Caliph al-Ma'mun, who employed al-Mu'tasim and his Turkish guard to counterbalance other powerful interest groups in the state, as well as employing them in campaigns against rebels and the Byzantine Empire. When al-Ma'mun died unexpectedly on campaign in August 833, al-Mu'tasim was thus well placed to succeed him, overriding the claims of al-Ma'mun's son al-Abbas. Al-Mu'tasim continued many of his brother's policies, such as the partnership with the Tahirids, who governed Khurasan and Baghda ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nigeria
Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of Guinea to the south in the Atlantic Ocean. It covers an area of , and with a population of over 225 million, it is the most populous country in Africa, and the world's sixth-most populous country. Nigeria borders Niger in the north, Chad in the northeast, Cameroon in the east, and Benin in the west. Nigeria is a federal republic comprising of 36 states and the Federal Capital Territory, where the capital, Abuja, is located. The largest city in Nigeria is Lagos, one of the largest metropolitan areas in the world and the second-largest in Africa. Nigeria has been home to several indigenous pre-colonial states and kingdoms since the second millennium BC, with the Nok civilization in the 15th century BC, marking the first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
House Of Wisdom
The House of Wisdom ( ar, بيت الحكمة, Bayt al-Ḥikmah), also known as the Grand Library of Baghdad, refers to either a major Abbasid public academy and intellectual center in Baghdad or to a large private library belonging to the Abbasid caliphs during the Islamic Golden Age. The House of Wisdom was founded either as a library for the collections of the Caliph Harun al-Rashid in the late 8th century (then later turned into a public academy during the reign of al-Ma'mun) or was a private collection created by al-Mansur (reign 754–775) to house rare books and collections of poetry in Arabic. The House of Wisdom and its contents were destroyed in the Siege of Baghdad in 1258, leaving relatively limited archaeological evidence for the House of Wisdom, such that most knowledge about it is derived from the works of contemporary scholars of the era such as al-Tabari and Ibn al-Nadim. Background The House of Wisdom existed as a part of the major Translation Movement taki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emperor Xianzong Of Tang
Emperor Xianzong of Tang (4 March to 1 April 778''Old Book of Tang'', vol. 14. – 14 February 820; r. 805 – 820), personal name Li Chun, né Li Chun (), was an emperor of the Chinese Tang Dynasty. He was the eldest son of Emperor Shunzong, who reigned for less than a year in 805 and who yielded the throne to him late that year. Once emperor, Emperor Xianzong set out to curb the power of the military governors (''Jiedushi''), and, when they would not heed his orders, he waged wars against them. His initial campaigns were quite successful, and Xianzong's army defeated warlords such as Liu Pi, Yang Huilin () in 806 and Li Qi in 807. In 813, after the submission of one of the key holdouts, Weibo Circuit (魏博, headquartered in modern Handan, Hebei) under Tian Xing, Emperor Xianzong appeared poised to reunite the empire, many parts of which had effectively been ruled independently by regional warlords. Xianzong's first setback was in 813 when he failed to defeat milita ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internecine War
A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies.James Fearon"Iraq's Civil War" in ''Foreign Affairs'', March/April 2007. For further discussion on civil war classification, see the section "Formal classification". The term is a calque of Latin '' bellum civile'' which was used to refer to the various civil wars of the Roman Republic in the 1st century BC. Most modern civil wars involve intervention by outside powers. According to Patrick M. Regan in his book ''Civil Wars and Foreign Powers'' (2000) about two thirds of the 138 intrastate conflicts between the end of World War II and 2000 saw international intervention, with the United States intervening in 35 of these conflicts. A civil war is a high-intensity conflict, often involving regular armed forces, that is sustained, or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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