{"slug": "al-ma-mun", "label": "Al-Ma'mun", "wikipedia": "https://en.wikipedia.org/wiki/Al-Ma%27mun", "wikidata": "https://www.wikidata.org/wiki/Q61056", "qid": "Q61056", "description": "Abbasid caliph (786–833, r. 813–833)", "entries": 11, "years": 9, "span": [786, 833], "span_label": ["786 CE", "833 CE"], "topics": [{"title": "Religion & Belief", "count": 5}, {"title": "Conflict & Security", "count": 3}, {"title": "Deaths", "count": 2}, {"title": "Births", "count": 1}], "related": [{"slug": "abbasid-caliphate", "label": "Abbasid Caliphate", "shared": 4}, {"slug": "byzantine-empire", "label": "Byzantine Empire", "shared": 2}, {"slug": "turkey", "label": "Turkey", "shared": 2}, {"slug": "anatolia", "label": "Anatolia", "shared": 2}, {"slug": "baghdad", "label": "Baghdad", "shared": 2}, {"slug": "arab-muslims", "label": "Arab Muslims", "shared": 1}, {"slug": "arabbyzantine-wars", "label": "Arab–Byzantine wars", "shared": 1}, {"slug": "theophilos-emperor", "label": "Theophilos (emperor)", "shared": 1}, {"slug": "iraq", "label": "Iraq", "shared": 1}, {"slug": "earth", "label": "Earth", "shared": 1}], "items": [{"year": 786, "year_label": "786 CE", "section": "Births", "date": null, "text": "Al-Ma'mun, Muslim caliph (d. 833)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340848276#Births", "title": "786", "revid": 1340848276, "section": "Births"}}, {"year": 813, "year_label": "813 CE", "section": "Religion & Belief", "date": null, "text": "Caliph al Ma’mun founds a school in Baghdad called the House of Wisdom. In this school scholars translated Greek philosophy classics into Arabic.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340940841#Abbasid_Caliphate", "title": "813", "revid": 1340940841, "section": "Events › By place › Abbasid Caliphate"}}, {"year": 819, "year_label": "819 CE", "section": "Religion & Belief", "date": "August 11", "text": "August 11 – Caliph Al-Ma'mun returns to Baghdad, securing the city's place as the capital of the Abbasid Caliphate.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941210#Abbasid_Caliphate", "title": "819", "revid": 1340941210, "section": "Events › By place › Abbasid Caliphate"}}, {"year": 820, "year_label": "820 CE", "section": "Religion & Belief", "date": null, "text": "Abbasid caliph Al-Ma'mun appoints Isa ibn Yazid al-Juludi as Abbasid governor of Yemen, for a few months.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1345013367#Abbasid_Caliphate", "title": "820", "revid": 1345013367, "section": "Events › By place › Abbasid Caliphate"}}, {"year": 821, "year_label": "821 CE", "section": "Religion & Belief", "date": null, "text": "By the time Al-Ma'mun becomes caliph, the Arabs and the Byzantines have settled down into border skirmishing, with Arab raids deep into Anatolia to capture booty.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941313#Abbasid_Caliphate", "title": "821", "revid": 1340941313, "section": "Events › By place › Abbasid Caliphate"}}, {"year": 827, "year_label": "827 CE", "section": "Religion & Belief", "date": null, "text": "Khalid ibn Abd al-Malik al-Marwarrudhi and Ali ibn Isa al-Asturlabi travel to the Plain of Sinjar (modern Iraq), under orders of Caliph Al-Ma'mun, to measure the size of the Earth.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941309#Science", "title": "827", "revid": 1340941309, "section": "Events › By topic › Science"}}, {"year": 831, "year_label": "831 CE", "section": "Conflict & Security", "date": null, "text": "Summer – Muslim Arabs under Caliph Al-Ma'mun launch an invasion into Anatolia (modern Turkey), and capture a number of Byzantine forts. Heraclea Cybistra and Tyana fall to the Arabs.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941627#Abbasid_Empire_and_Byzantine_Empire", "title": "831", "revid": 1340941627, "section": "Events › By place › Abbasid Empire and Byzantine Empire"}}, {"year": 832, "year_label": "832 CE", "section": "Conflict & Security", "date": null, "text": "Byzantine–Arab War: The Byzantine fortress of Loulon (modern Turkey) is captured by the Abbasids. Its garrison surrenders to Caliph Al-Ma'mun, after a lengthy siege.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1267075509#Byzantine_Empire", "title": "832", "revid": 1267075509, "section": "Events › By place › Byzantine Empire"}}, {"year": 833, "year_label": "833 CE", "section": "Conflict & Security", "date": null, "text": "Byzantine-Arab War: Emperor Theophilos signs an armistice for peace with the Abbasid Caliphate. He offers Caliph Al-Ma'mun 100,000 gold dinars, in return for 7,000 Byzantine prisoners.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941699#Byzantine_Empire", "title": "833", "revid": 1340941699, "section": "Events › By place › Byzantine Empire"}}, {"year": 833, "year_label": "833 CE", "section": "Deaths", "date": "August 7", "text": "August 7 – Caliph Al-Ma'mun dies after a 20-year reign. He is succeeded two days later by his half-brother al-Mu'tasim, as ruler of the Abbasid Caliphate.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941699#Abbasid_Caliphate", "title": "833", "revid": 1340941699, "section": "Events › By place › Abbasid Caliphate"}}, {"year": 833, "year_label": "833 CE", "section": "Deaths", "date": "August 9", "text": "August 9 – Al-Ma'mun, Muslim caliph (b. 786)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340941699#Deaths", "title": "833", "revid": 1340941699, "section": "Deaths"}}]}