Al-Hasan Ibn Qahtaba
Al-Hasan ibn Qahtaba ibn Shabib al-Ta'i () was a senior military leader in the early Abbasid Caliphate. Biography He was the son of Qahtaba ibn Shabib al-Ta'i, who along with Abu Muslim led the Abbasid Revolution that toppled the Umayyad Caliphate. Along with his brother Humayd, Hasan was active in the Abbasid cause in Khurasan during the years before the Revolution, serving as a deputy '' naqib''.Crone (1980), p. 188 During the Revolution itself, together with his father he was one of the principal commanders in the campaign that brought the Abbasid armies from Khurasan into Iraq; he took part in the pursuit of Nasr ibn Sayyar and the victory at Nihavand, and despite his father's death in battle against the Umayyad governor Yazid ibn Umar al-Fazari, Hasan led the Khurasani army into Kufa.Zarrinkub (1975), pp. 54–55Kennedy (1986), p. 79 After the Revolution, Hasan served the future Caliph al-Mansur (r. 754–775) as deputy governor in Armenia, which he helped pacify, and ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Abbasid Caliphate
The Abbasid Caliphate or Abbasid Empire (; ) was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abd al-Muttalib (566–653 CE), from whom the dynasty takes its name. After overthrowing the Umayyad Caliphate in the Abbasid Revolution of 750 CE (132 AH), they ruled as caliphs based in modern-day Iraq, with Baghdad being their capital for most of their history. The Abbasid Revolution had its origins and first successes in the easterly region of Khurasan, far from the Levantine center of Umayyad influence. The Abbasid Caliphate first centered its government in Kufa, modern-day Iraq, but in 762 the caliph al-Mansur founded the city of Baghdad as the new capital. Baghdad became the center of science, culture, arts, and invention in what became known as the Golden Age of Islam. By housing several key academic institutions, including the House of Wisdom, as well as a multiethnic and multi- ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Byzantine Empire
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the fall of the Western Roman Empire in the 5th centuryAD, it endured until the fall of Constantinople to the Ottoman Empire in 1453. The term 'Byzantine Empire' was coined only after its demise; its citizens used the term 'Roman Empire' and called themselves 'Romans'. During the early centuries of the Roman Empire, the western provinces were Romanization (cultural), Latinised, but the eastern parts kept their Hellenistic culture. Constantine the Great, Constantine I () legalised Christianity and moved the capital to Constantinople. Theodosius I, Theodosius I () made Christianity the state religion and Greek gradually replaced Latin for official use. The empire adopted a defensive strategy and, throughout its remaining history, expe ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Year Of Death Missing
A year is a unit of time based on how long it takes the Earth to orbit the Sun. In scientific use, the tropical year (approximately 365 solar days, 5 hours, 48 minutes, 45 seconds) and the sidereal year (about 20 minutes longer) are more exact. The modern calendar year, as reckoned according to the Gregorian calendar, approximates the tropical year by using a system of leap years. The term 'year' is also used to indicate other periods of roughly similar duration, such as the lunar year (a roughly 354-day cycle of twelve of the Moon's phasessee lunar calendar), as well as periods loosely associated with the calendar or astronomical year, such as the seasonal year, the fiscal year, the academic year, etc. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, marked by changes in weather, the hours of daylight, and, consequently, vegetation and soil fertility. In temperate and subpolar regions around the planet, four seasons are ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Al-Ma'mun
Abū al-ʿAbbās Abd Allāh ibn Hārūn al-Maʾmūn (; 14 September 786 – 9 August 833), better known by his regnal name al-Ma'mun (), was the seventh Abbasid caliph, who reigned from 813 until his death in 833. His leadership was marked by the power and prosperity of the Abbasid Caliphate, al-Ma'mun promoted the Graeco-Arabic translation movement, the House of Wisdom, flowering of learning and the sciences in Baghdad, and the publishing of al-Khwarizmi's The Compendious Book on Calculation by Completion and Balancing, book now known as "Algebra". Making him one of the most important caliphs in the Islamic Golden Age. He is also known as a proponent of the rational Islamic theology of Mu'tazilism. Al-Ma'mun succeeded his half-brother al-Amin after a Fourth Fitna, civil war, much of his reign was spent on peace campaigns. His strong support for Mu'tazilism led him to imprison a Sunni Islam, Sunni Imam, Ahmad ibn Hanbal in an event that became known as ''mihna.'' Al-Ma'mun's for ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Al-Amin
Abū Mūsā Muḥammad bin Hārūn al-Amīn (; April 787 – 24/25 September 813), better known by just his laqab of al-Amīn (), was the sixth Abbasid caliph from 809 to 813. Al-Amin succeeded his father, Harun al-Rashid, in 809 and ruled until he was deposed and killed in 813, during the civil war by his half-brother, al-Ma'mun. Early life and the issue of succession Muhammad, the future al-Amin, was born in April 787 to the Abbasid caliph Harun al-Rashid () and Zubayda, herself descended from the second Abbasid caliph, al-Mansur (). Muhammad had an elder half-brother, Abdallah, the future al-Ma'mun (), who had been born in September 786. However, Abdallah's mother was a Persian slave concubine, and his pure Abbasid lineage gave Muhammad seniority over his half-brother. Indeed, he was the only Abbasid caliph to claim such descent. Already in 792, Harun had Muhammad receive the oath of allegiance ('' bay'ah'') with the name of ''al-Amīn'' ("The Trustworthy"), effectively ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Fourth Fitna
The Fourth Fitna, Fourth Muslim Civil War, or Great Abbasid Civil War resulted from the conflict between the brothers al-Amin and al-Ma'mun over the succession to the throne of the Abbasid Caliphate. Their father, Caliph Harun al-Rashid, had named al-Amin as the first successor, but had also named al-Ma'mun as the second, with Khurasan granted to him as an appanage. Later a third son, al-Qasim ibn Harun al-Rashid, al-Qasim, had been designated as third successor. After Harun died in 809, al-Amin succeeded him in Baghdad. Encouraged by the Baghdad court, al-Amin began trying to subvert the autonomous status of Khurasan, and al-Qasim was quickly sidelined. In response, al-Ma'mun sought the support of the provincial élites of Khurasan and made moves to assert his own autonomy. As the rift between the two brothers and their respective camps widened, al-Amin declared his own son Musa as his heir and assembled a large army. In 811, al-Amin's troops marched against Khurasan, but al-Ma'mu ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ali Ibn Al-Hasan
Ali ibn Abi Talib (; ) was the fourth Rashidun caliph who ruled from until Assassination of Ali, his assassination in 661, as well as the first imamate in Shia doctrine, Shia Imam. He was the cousin and son-in-law of the Islamic prophet Muhammad. Born to Abu Talib ibn Abd al-Muttalib and Fatima bint Asad, Ali was raised by his elder cousin Muhammad and was Early Muslims, among the first to accept his teachings. Ali played a pivotal role in the early years of Islam when Muslims were severely persecuted in Mecca. After immigration () to Medina in 622, Muhammad gave his daughter Fatima to Ali in marriage and swore a pact of brotherhood with him. Ali served as Muhammad's secretary and deputy in this period, and was the flag bearer of his army. Numerous sayings of Muhammad praise Ali, the most controversial of which was uttered in 632 at the Ghadir Khumm, "Whoever I am his , this Ali is his ." The interpretation of the polysemous Arabic word is disputed: For Shia Islam, Shia Musl ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Muhammad Ibn Al-Hasan
Muhammad (8 June 632 CE) was an Arab religious and political leader and the founder of Islam. According to Islam, he was a prophet who was divinely inspired to preach and confirm the monotheistic teachings of Adam, Noah, Abraham, Moses, Jesus, and other prophets. He is believed to be the Seal of the Prophets in Islam, and along with the Quran, his teachings and normative examples form the basis for Islamic religious belief. Muhammad was born in Mecca to the aristocratic Banu Hashim clan of the Quraysh. He was the son of Abdullah ibn Abd al-Muttalib and Amina bint Wahb. His father, Abdullah, the son of tribal leader Abd al-Muttalib ibn Hashim, died around the time Muhammad was born. His mother Amina died when he was six, leaving Muhammad an orphan. He was raised under the care of his grandfather, Abd al-Muttalib, and paternal uncle, Abu Talib. In later years, he would periodically seclude himself in a mountain cave named Hira for several nights of prayer. When he was ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Baghdad
Baghdad ( or ; , ) is the capital and List of largest cities of Iraq, largest city of Iraq, located along the Tigris in the central part of the country. With a population exceeding 7 million, it ranks among the List of largest cities in the Arab world, most populous cities in the Middle East and Arab world and forms 22% of the Demographics of Iraq, country's population. Spanning an area of approximately , Baghdad is the capital of its Baghdad Governorate, governorate and serves as Iraq's political, economic, and cultural hub. Founded in 762 AD by Al-Mansur, Baghdad was the capital of the Abbasid Caliphate and became its most notable development project. The city evolved into a cultural and intellectual center of the Muslim world. This, in addition to housing several key academic institutions, including the House of Wisdom, as well as a multi-ethnic and multi-religious environment, garnered it a worldwide reputation as the "Center of Learning". For much of the Abbasid era, duri ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Abna Al-dawla
The ''abnāʾ ad-dawla'' (, meaning "sons of the regime/dynasty"), often simply " the ''Abnāʾ''", is a term for the Khorasani Arabs who had participated in the Abbasid Revolution of 749–750 and their descendants, who settled in Baghdad and Iraq. They became the ruling elite of the Abbasid Caliphate and formed the mainstay of the caliphal army. However, the term appears rarely in the sources until the time of the Fourth Fitna civil war in the 810s, when it is applied to the Khurasanis of Baghdad, who overwhelmingly supported Caliph al-Amin against his brother al-Ma'mun. The terms ''ahl Khurāsān'' ("people of Khurasan") and ''abnāʾ ahl Khurāsān'' ("sons of the people of Khurasan") are more frequently used for the Khurasanis who formed the mainstay of the Abbasid regime in general. Following al-Ma'mun's victory in the civil war, the ''abnāʾ al-dawla'' were largely replaced by the latter's Persian followers, and under his successor al-Mu'tasim Abū Isḥāq Muḥamm ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |