The First Council of the Lateran was summoned by Pope Calixtus II in 1123. It was the 9th ecumenical council of the Roman Catholic Church. The key issue was to end the Investiture Controversy by confirming the Concordat of Worms (1122). The council lasted from March 18th to 27th. Events First Council of the Lateran confirms Concordat of Worms and demands that priests remain celibate End of the reign of Emperor Toba of Japan. ... This article considers Catholicism in the broadest ecclesiastical sense. ... The Fourth Council of Constantinople is considered an ecumenical council by Roman Catholics and met from October 5, 869 to February 28, 870. ... The second Lateran, and tenth ecumenical council was held by Pope Innocent II in April 1139, and was attended by close on a thousand clerics. ... Callixtus II, né Guido of Vienne (d. ... Callixtus II, né Guido of Vienne (d. ... The Investiture Controversy was the most significant conflict between secular and religious powers in medieval Europe. ... Simony is the ecclesiastical crime and personal sin of paying for offices or positions in the hierarchy of a church, named after Simon Magus, who appears in the Acts of the Apostles 8:18-24. ... Monday is considerd either the first or the second day of the week, between Sunday and Tuesday. ... Wednesday is considered either the third or the fourth day of the week, between Tuesday and Thursday. ... In Catholicism and Eastern Orthodoxy, an ecumenical council or general council is a meeting of the bishops of the whole church convened to discuss and settle matters of Church doctrine and practice. ... Callixtus II, né Guido of Vienne (d. ... Events First Council of the Lateran confirms Concordat of Worms and demands that priests remain celibate End of the reign of Emperor Toba of Japan. ... In Catholicism and Eastern Orthodoxy, an ecumenical council or general council is a meeting of the bishops of the whole church convened to discuss and settle matters of Church doctrine and practice. ... The Roman Catholic Church, most often spoken of simply as the Catholic Church, is the largest Christian church, with over one billion members. ... The Investiture Controversy was the most significant conflict between secular and religious powers in medieval Europe. ... Also called the Pactum Calixtinum, the Concordat of Worms was an agreement between Pope Calixtus II and Holy Roman Emperor Henry V on September 23, 1122 near Worms. ... Events Resolution of Investiture Controversy in the Concordat of Worms Pierre Abélard writes Sic et Non Births Eleanor of Aquitaine at Belin (near Bordeaux) Deaths Ralph dEscures, archbishop of Canterbury Margrave Ottokar II of Styria Categories: 1122 ...

It was held in the Lateran Palace, Rome, and was the first Church council held in western Europe (see the Great Schism). At least 300 western church leaders attended, and possibly as many as a thousand. From the beginning of the 4th Century, when it was given to the Pope by Constantine, the Palace of the Lateran on Piazza San Giovanni in south-east Rome was the principal residence of the Popes, and continued so for about a thousand years. ... City motto: Senatus Populusque Romanus – SPQR (The Senate and the People of Rome) Founded 21 April 753 BC mythical, 1st millennium BC Region Latium Mayor Walter Veltroni (Left-Wing Democrats) Area  - City Proper  1290 km² Population  - City (2004)  - Metropolitan  - Density (city proper) 2,546,807 almost 4,000,000 1... The East-West Schism, known also as the Great Schism (though this latter term sometimes refers to the later Western Schism), was the event that divided Chalcedonian Christianity into Western Catholicism and Eastern Orthodoxy. ...

Beyond the key issues from the Concordat of Worms (the state role in the investiture of prelates and freedom of the church) the council promulgated canons relating to reform of church discipline and the control of ecclesiastical abuses, the abolition of simony, and it set the grounds for the crusades to recover the Holy Land. There were 22 disciplinary canons promulgated, forming the basis of medieval Church law. Simony is the ecclesiastical crime and personal sin of paying for offices or positions in the hierarchy of a church, named after Simon Magus, who appears in the Acts of the Apostles 8:18-24. ... This article is about the medieval Crusades . ... The phrase The Holy Land (Arabic الأرض المقدسة al-Arḍ ul-Muqaddasah; Hebrew ארץ הקודש;, Standard Hebrew Éreẓ haQodeš, Tiberian Hebrew ʾÉreṣ haqQāḏēš; Latin Terra Sancta) generally refers to Palestine. ...