Pepin III adopts Roman liturgy in FranciaJan 1, 754Labels: Pepin III, Roman liturgy, FranciaBritannicaGrove preview
Charlemagne begins empire-wide ecclesiastical standardizationJan 1, 771Labels: Charlemagne, Carolingian Empire, ecclesiastical standardizationBritannicaAdmonitio
Charlemagne issues Admonitio generalis reform capitularyJan 1, 789Labels: Admonitio generalis, Charlemagne, clerical educationAdmonitioBNF exhibit
Pope Hadrian I sends Roman sacramentary to CharlemagneJan 1, 791Labels: Pope Hadrian, Hadrianum, CharlemagneHadrianumSacramentary
Council of Frankfurt reinforces Carolingian church governanceJun 1, 794Labels: Council of, Charlemagne, synodBritannicaCathEncy
Hildoard Sacramentary preserves the Hadrianum exemplarJan 1, 812Labels: Hildoard Sacramentary, Hildoard, Hadrianum exemplarHildoardSacramentary
Aachen synods legislate uniform monastic observanceJan 1, 816Labels: Synods of, Rule of, monastic reformAachenBritannica
Frankish-Roman synthesis becomes “Gregorian” chant traditionJan 1, 850Labels: Gregorian chant, Frankish-Roman synthesis, Pope GregoryLevy PDFOld RomanGregorian
Earliest neumed Gregorian sources emerge in late 800sJan 1, 880Labels: neumes, manuscript notation, late 9thLevy PDFGregorian
Notker of St Gall develops and codifies sequence repertoryJan 1, 884Labels: Notker Balbulus, St Gall, sequence repertoryBritannicaNotker
Laon 239 documents early Mass-proper chant traditionJan 1, 900Labels: Laon 239, Mass Proper, manuscriptLaon 239IMSLP Laon
St Gall Cantatorium records highly developed soloist chantJan 1, 922Labels: St Gall, soloist chantUsuariumSt GallCod 359
Einsiedeln 121 preserves a complete, high-quality gradualJan 1, 960Labels: Einsiedeln 121, gradual, St GallEinsiedelnCantatorium