Pope Leo IX

E59575

human pope

Pope Leo IX was an 11th-century reformist pope whose conflicts with the Byzantine Church helped precipitate the East–West Schism between Roman Catholicism and Eastern Orthodoxy.

Aliases (2)

Leo IX ×1
Saint Leo IX ×1

Statements (48)

Predicate	Object
instanceOf	human → pope →
advocated	Gregorian reform ideals →
alsoKnownAs	Leo IX → Saint Leo IX →
appointedPopeDate	1049-02-12 →
associatedWithEvent	prelude to the East–West Schism of 1054 →
birthDate	1002 →
birthName	Bruno of Egisheim-Dagsburg →
birthPlace	Egisheim, Alsace → Holy Roman Empire →
bishopricStartDate	Bishop of Toul from 1026 →
canonizationStatus	saint →
canonizedBy	Pope Leo IX was recognized as a saint by popular acclaim →
capturedBy	Normans at the Battle of Civitate →
conflictWith	Patriarch Michael I Cerularius →
countryOfCitizenship	Holy Roman Empire →
deathDate	1054-04-19 →
deathPlace	Rome →
era	11th century →
feastDay	April 19 →
heldInCaptivityAt	Benevento →
issuedDocument	letters asserting papal primacy to the Byzantine Church →
knownFor	church reform → combating simony → conflicts with the Byzantine Church → enforcing clerical celibacy → role in events leading to the East–West Schism → strengthening papal authority →
languageUsed	Latin →
militaryEngagement	Battle of Civitate →
nobleFamily	House of Egisheim-Dagsburg →
papacyEndDate	1054-04-19 →
papacyStartDate	1049-02-12 →
papalOrdinalNumber	152nd pope →
participatedIn	reform movement of the 11th-century papacy →
placeOfBurial	Basilica of Saint Peter in the Vatican →
positionHeld	Bishop of Rome → head of the Catholic Church →
predecessor	Pope Damasus II →
previousPosition	Bishop of Toul →
promoted	reform of church administration → reform of the clergy →
regionOfInfluence	Western Christendom →
religion	Catholic Church →
sentDelegationTo	Constantinople in 1054 →
successor	Pope Victor II →
supportedBy	Emperor Henry III in his election →

Referenced by (4)

Subject (surface form when different)	Predicate
Pope Leo IX ("Saint Leo IX") → Pope Leo IX ("Leo IX") →	alsoKnownAs
East–West Schism →	keyFigure
Pope Gregory VII →	servedUnder