Leo IV, pope from 847 to 855, was a Roman by birth, and was unanimously chosen to succeed Sergius II. His pontificate was chiefly distinguished by his efforts to repair the damage done by the Saracens during the reign of his predecessor to various churches of the city, especially those of St Peter and St Paul. It was he who built and fortified the suburb on the right bank of the Tiber still known as the Civitas Leonina -- the Leonine City. A frightful conflagration, which he is said to have extinguished by his prayers, is the subject of Raphael's great work in the Sala dell'Incendio of the Vatican. The Pope is the Catholic Bishop and patriarch of Rome, and head of the Catholic Church. ... Events Succession of Pope Leo IV, (847 - 855) Births Alfred the Great Deaths Pope Sergius II, (844 - 847) Categories: 847 ... Events Louis II succeeds Lothar as western emperor. ... 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 (Democratici di Sinistra) Area  - City Proper  1290 km² Population  - City (2004)  - Metropolitan  - Density (city proper) 2,546,807 almost 4,000,000 1... Sergius II, was Pope from 844-847. ... For the rugby club Saracens see Saracens (rugby club) The term Saracen comes from Greek sarakenoi. ... The Basilica of Saint Peter from Castel SantAngelo. ... The Basilica di San Paolo fuori le Mura is believed to be the final resting place of Saint Paul the Apostle of Jesus. ... Tiber River in Rome The River Tiber (Italian Tevere), the third-longest river in Italy (disputed — see talk page) at 406 km (252 miles) after the Po and the Adige, flows through Rome in its course from Mount Fumaiolo to the Tyrrhenian Sea, which it reaches in two branches that... The Leonine City is that part of the city of Rome around which Pope Leo IV commissioned the construction of a wall for military defense during the 9th century. ... This page is about the artist. ...

He held three synods, one of them in 850, distinguished by the presence of Louis II, but none of them otherwise of importance. The history of the papal struggle with Hincmar of Reims, which began during Leo's pontificate, belongs rather to that of Nicholas I. Benedict III was Leo's immediate successor. However, some believe the female Pope Joan succeeded him, disguising herself as a man; however, Joan is generally believed to be fictitious. Events April 20 - Guntherus becomes Bishop of Cologne. ... Louis II, (825 – 875), Holy Roman Emperor (sole ruler 855 – 875), eldest son of the emperor Lothair I, became the designated king of Italy in 839, and taking up his residence in that country was crowned king at Rome by Pope Sergius II on June 15, 844. ... Hincmar (c. ... Nicholas I,(c. ... Benedict III, prior to his election, had a reputation for learning and piety, and elected on the refusal of the initial choice of clergy and people, Hadrian: a group of important people preferred Anastasius. ... According to medieval legend, Pope Joan was a female pope who reigned from 855 to 858. ...

original text taken from the 9th edition (1882) of the Encyclopædia Britannica 1913 advertisement for the 11th edition, with the slogan When in doubt - look it up in the Encyclopædia Britannica The Encyclopædia Britannica (properly spelt with æ, the ae-ligature) is the oldest English-language general encyclopedia. ...

Sergius II, was Pope from 844-847. ... For a graphical representation of this list, see list of popes (graphical). ... Benedict III, prior to his election, had a reputation for learning and piety, and elected on the refusal of the initial choice of clergy and people, Hadrian: a group of important people preferred Anastasius. ...