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Lothair I

Emperor of the Carolingian Empire from 817 to 855

22 dated entries naming Lothair I, drawn from 21 separate years between 795 CE and 868 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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8th century

  • 795Lothair I, king and emperor of the Franks (d. 855)source

9th century

  • 817Summer – Emperor Louis I issues an Ordinatio Imperii, an imperial decree that lays out plans for an orderly succession. He divides the Frankish Empire among his three sons: Lothair, the eldest, is proclaimed co-emperor in Aachen, and becomes the overlord of his brothers. He receives the dominion of Burgundy (including German and Gallic parts). Pepin, the second son, is proclaimed king of Aquitaine, and receives Gascony (including the marche around Toulouse and parts of Septimania); Louis (the youngest son) is proclaimed king of Bavaria, and receives the dominions of East Francia.source
  • 821October – Lothair I, co-emperor and eldest son of Louis I, marries Ermengarde in Thionville (northeastern France). She is the daughter of Count Hugh of Tours.source
  • 823April 5 – Lothair I, eldest son of Emperor Louis I, is crowned co-emperor again by Pope Paschal I at Rome (initiating the papal practice of handing the imperial sword over, as a symbol of temporal power in the Holy Roman Empire).source
  • 829Emperor Louis the Pious appoints his 6-year-old son Charles (by his second wife Judith) as ruler of the Frankish subkingdom Alamannia, enraging his eldest son and co-emperor Lothair I, who begins an insurrection.source
  • 831Emperor Louis the Pious is reinstated as sole ruler of the Frankish Empire. He promises his sons Pepin I and Louis the German a greater share of the inheritance. His eldest son Lothair I is pardoned, but disgraced and banished to Italy.source
  • 833June – Lothair I, eldest son of Emperor Louis the Pious, joins the rebellion of his brothers Pepin I and Louis the German, with the assistance of Archbishop Ebbo. Louis is forced to abdicate, on the plains of Rothfield (near Colmar).source
  • 834March 1 – Emperor Louis the Pious is restored as sole ruler of the Frankish Empire. After his re-accession to the throne, his eldest son Lothair I flees to Burgundy.source
  • 839May 20 — Thirteen months before his death, Louis the Pious, successor to his father Charlemagne, consents to the division of Charlemagne's empire among his sons in a declaration at Worms. Upon Louis I's death in 840, Lothair (age 45) is devised Middle Francia that includes Switzerland and northern Italy; Louis the German (Louis II), age 36, receives Eastern Francia that includes much of Germany; and Charles the Bald (17) gets West Francia that incorporates most of France.source
  • 840June 20 – Louis the Pious, Emperor of the Romans and King of the Franks, falls ill and dies at his hunting lodge, on an island in the Rhine, near the Ingelheim Imperial Palace in Francia, while suppressing a revolt. He proclaims his eldest son Lothair I as his successor as Emperor. Lothair tries to seize all the territories of his late grandfather Charlemagne. Louis' son by his second wife, Charles, 17, becomes King of the Franks, and joins with his half-brother Louis the German in resisting Lothair.source
  • 841June 25 – Battle of Fontenay: Frankish forces of Emperor Lothair I, and his nephew Pepin II of Aquitaine, are defeated by allied forces of King Louis the German, and his half-brother Charles the Bald, at Fontenoy (Eastern France), in a civil war among the three surviving sons of the former emperor Louis the Pious. A total of 40,000 men are killed, including the Frankish nobles Gerard of Auvergne and Ricwin of Nantes, fighting on the side of Charles.source
  • 842February 14 – Oaths of Strasbourg: King Louis the German, ruler of East Francia, and his half-brother Charles the Bald, ruler of West Francia, meet with their armies at Strasbourg. They agree to swear allegiance (recorded in vernacular languages) to each other, and to support each other against their brother Lothair I (nominal emperor of all the Frankish kingdoms and the Holy Roman Empire).source
  • 844June 15 – Louis II, eldest son of Emperor Lothair I, is crowned king at Rome by Pope Sergius II, and becomes co-ruler of Middle Francia, and over Lombardy, Friuli, and Tuscany in Italy.source
  • 848Emperor Lothair I, and his (half) brothers Louis the German and Charles the Bald, meet in Koblenz to continue the system of "con-fraternal government".source
  • 850Danish Viking raiders, led by King Rorik, conquer Dorestad and Utrecht (modern-day Netherlands). Emperor Lothair I recognizes him as ruler of most of Friesland.source
  • 851Emperor Lothair I meets with his (half) brothers Louis the German and Charles the Bald in Meerssen (modern-day Netherlands), to continue the system of "con-fraternal government".source
  • 852Emperor Lothair I and his (half) brother Charles the Bald join forces to remove the Vikings from the island of Oscelles, in the River Seine. After this fails, Charles again pays them tribute (Danegeld).source
  • 854Emperor Lothair I meets his (half) brothers (Louis the German and Charles the Bald) in Attigny, Ardennes for the third time, to continue the system of "con-fraternal government".source
  • 855September 29 – Emperor Lothair I dies after a 15-year reign (co-ruling with his father Louis the Pious until 840). He divides the Middle Frankish Kingdom between his three sons in an agreement called the Treaty of Prüm—the eldest, Louis II, receives the northern half of Italy and the title of Holy Roman Emperor. The second, Lothair II, receives Lotharingia (the Low Countries and Upper Burgundy). The youngest, Charles, receives Lower Burgundy and Provence.source
  • 855September 29 – Lothair I, Frankish king and emperor (b. 795)source
  • 858April 17 – Pope Benedict III dies after a 3-year reign, in which he has intervened in a political conflict between the sons of Emperor Lothair I. He is succeeded by Nicholas I, as the 105th pope of Rome.source
  • 868King Charles the Bald meets his brother Louis the German at Metz. They agree to a partition of Lotharingia, which belonged to former emperor Lothair I (now in possession of his sons Lothair II and Louis II).source

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