Editing Lothair I (section)

{{Short description|Carolingian Emperor from 817 to 855}}
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{{more footnotes|date=March 2016}}
{{More citations needed|date=October 2015}}
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{{Use dmy dates|date=September 2020}}
{{Infobox royalty
| image        = Lothar I.jpg
| caption      = Lothair I in the [[Gospels of Lothair]], {{circa|849–851}}, now located in the [[Bibliothèque nationale de France]]
| succession   = [[Holy Roman Emperor|Emperor]] of the [[Carolingian Empire]]
| title        = [[Holy Roman Emperor|Emperor of the Romans]]
| reign        = July 817 – 855
| coronation   = [[Ordinatio Imperii|July 817]], [[Aachen]] <br /> 5 April 823, [[Rome]]
| full name    = 
| predecessor  = [[Louis the Pious|Louis I the Pious]]
| successor    = [[Louis II of Italy]]
| queen        = [[Ermengarde of Tours]]
| spouse       = 
| issue        = [[Louis II of Italy|Louis II]]<br /> [[Lothair II]]<br /> [[Charles of Provence|Charles]]
| issue-link   = #Family
| issue-pipe   = more...
| house        = [[Carolingian dynasty|Carolingian]]
| father       = [[Louis the Pious|Louis I the Pious]]
| mother       = [[Ermengarde of Hesbaye]]
| succession1  = [[King of Italy]]
| reign1       = 17 April 818 – 855
| predecessor1 = [[Bernard of Italy]]
| successor1   = Louis II of Italy
| succession2  = King of [[Middle Francia]]
| reign2       = {{circa}} 10 August 843 – 855
| predecessor2 = Louis I the Pious as [[King of the Franks]]
| successor2   = Louis II (Italy)<br>[[Lothair II]] (Lotharingia)<br>[[Charles of Provence|Charles]] (Provence)
| birth_date   = 795
| birth_place  = 
| death_date   = 29 September {{Death year and age|855|795}}
| death_place  = [[Prüm]]
| date of burial = 
| place of burial = [[Prüm]]
}}

'''Lothair I''' (9th. C. [[Frankish language|Frankish]]: ''Ludher'' and [[Medieval Latin]]: ''Lodharius'';<ref>{{Cite book |title=Historiarum Libri|last=Nithard |author-link=Nithard |url=https://www.dmgh.de/mgh_ss_2/index.htm#page/665/mode/1up}}</ref> [[Dutch language|Dutch]] and [[Medieval Latin]]: ''Lotharius''; [[German language|German]]: ''Lothar''; [[French language|French]]: ''Lothaire''; [[Italian language|Italian]]: ''Lotario''; 795 – 29 September 855) was a 9th-century [[Holy Roman Emperor|emperor of the Carolingian empire]] (817–855, with his father until 840) and [[king of Italy]] (818–855) and [[Middle Francia]] (843–855).

Lothair I was the eldest son of the Carolingian emperor [[Louis the Pious|Louis I]] and his wife [[Ermengarde of Hesbaye]],<ref name="eb11">{{EB1911|inline=1|wstitle=Lothair I.}}</ref> daughter of [[Ingerman of Hesbaye|Ingerman]] the duke of [[Hesbaye]]. On several occasions, Lothair led his full-brothers [[Pepin I of Aquitaine]] and [[Louis the German]] in revolt against their father to protest against attempts to make their half-brother [[Charles the Bald]] a co-heir to the Frankish domains. Upon the father's death, Charles and Louis joined forces against Lothair in [[Carolingian civil war|a three-year civil war (840–843)]]. The struggles between the brothers led directly to the breakup of the [[Frankish Empire]] assembled by their grandfather [[Charlemagne]], and laid the foundation for the development of modern [[France]] and [[Germany]].<ref name="KiblerZinn1995"/>