The Patriarchate of Aquileia was an
episcopal see
An episcopal see is the area of a bishop's ecclesiastical jurisdiction.
Phrases concerning actions occurring within or outside an episcopal see are indicative of the geographical significance of the term, making it synonymous with ''diocese'' ...
and
ecclesiastical province
An ecclesiastical province is one of the basic forms of jurisdiction in Christian churches, including those of both Western Christianity and Eastern Christianity, that have traditional hierarchical structures. An ecclesiastical province consist ...
in northeastern
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
, originally centered in the ancient city of
Aquileia
Aquileia is an ancient Roman city in Italy, at the head of the Adriatic at the edge of the lagoons, about from the sea, on the river Natiso (modern Natisone), the course of which has changed somewhat since Roman times. Today, the city is small ( ...
, situated near the northern coast of the
Adriatic Sea
The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...
. It emerged in the 4th century as a
metropolitan province
An ecclesiastical province is one of the basic forms of Ecclesiastical jurisdiction, jurisdiction in Christianity, Christian churches, including those of both Western Christianity and Eastern Christianity, that have traditional hierarchical struc ...
, with jurisdiction over the Italian region of
Venetia et Histria
Venetia et Histria (Latin: ''Regio X Venetia et Histria'') was an administrative subdivision in the northeast of Roman Italy. It was originally created by Augustus as the tenth ''regio'' in 7 AD alongside the nine other ''regiones''. The region h ...
. In the second half of the 6th century, metropolitan bishops of Aquileia started to use the patriarchal title. Their residence was moved to
Grado in 568, after the Lombard conquest of Aquileia. In 606, an internal schism occurred, and since that time there were two rival lines of Aquileian patriarchs: one in
New Aquileia (Grado) with jurisdiction over the Byzantine-controlled coastal regions, and the other in
Old Aquileia (later moved to
Cormons
Cormons or Cormòns (; ) is a (municipality) in the Regional decentralization entity of Gorizia in the Italian region of Friuli-Venezia Giulia, located about northwest of Trieste and about west of Gorizia, on the border with Slovenia.
Cor ...
). The first line (Grado) continued until 1451, while the second line (Cormons, later
Cividale
Cividale del Friuli (, locally ; ; ) is a town and (municipality) in the Province of Udine, Regional decentralization entity of Udine, part of the Northern Italy, North-Italian region of Friuli-Venezia Giulia. The town lies above sea-level in th ...
, and then
Udine
Udine ( ; ; ; ; ) is a city and (municipality) in northeastern Italy, in the middle of the Friuli-Venezia Giulia region, between the Adriatic Sea and the Carnic Alps. It is the capital of the Province of Udine, Regional decentralization entity ...
) continued until 1751. Patriarchs of the second line were also feudal lords of the
Patriarchal State of Aquileia. A number of
Aquileian church councils were held during the late antiquity and throughout the middle ages. Today, it is a
titular archiepiscopal see.
History
From bishopric to patriarchate

Ancient tradition asserts that the see was founded by
St. Mark
Mark the Evangelist ( Koinē Greek: Μᾶρκος, romanized: ''Mârkos''), also known as John Mark ( Koinē Greek: Ἰωάννης Μᾶρκος, romanized: ''Iōánnēs Mârkos;'' Aramaic'': ܝܘܚܢܢ, romanized: Yōḥannān'') or Saint Mark ...
, sent there by
St. Peter, prior to his mission to
Alexandria
Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...
.
St. Hermagoras is said to have been its first bishop and to have died a martyr's death (c. 70). At the end of the third century (285) another martyr,
St. Helarus (or St. Hilarius), was bishop of Aquileia.
In the course of the
fourth century the city was the chief ecclesiastical centre for the region of the head of the Adriatic, Regio X of the
Roman emperor Augustus
Gaius Julius Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian (), was the founder of the Roman Empire, who reigned as the first Roman emperor from 27 BC until his death in A ...
' eleven regions of Italy, "
Venetia et Histria
Venetia et Histria (Latin: ''Regio X Venetia et Histria'') was an administrative subdivision in the northeast of Roman Italy. It was originally created by Augustus as the tenth ''regio'' in 7 AD alongside the nine other ''regiones''. The region h ...
". In 381,
St. Valerian appeared as
Metropolitan bishop
In Christianity, Christian Christian denomination, churches with episcopal polity, the rank of metropolitan bishop, or simply metropolitan (alternative obsolete form: metropolite), is held by the diocesan bishop or archbishop of a Metropolis (reli ...
of the churches in this territory; his synod of that year, held against the
Arians
Arianism (, ) is a Christological doctrine which rejects the traditional notion of the Trinity and considers Jesus to be a creation of God, and therefore distinct from God. It is named after its major proponent, Arius (). It is considered h ...
, was attended by 32 (or 24) bishops. Valerian was succeeded by
Chromatius
Chromatius (died 406/407 AD) was a bishop of Aquileia.
He was probably born at Aquileia, and grew up there.[Jerome
Jerome (; ; ; – 30 September 420), also known as Jerome of Stridon, was an early Christian presbyter, priest, Confessor of the Faith, confessor, theologian, translator, and historian; he is commonly known as Saint Jerome.
He is best known ...]
and
Rufinus and kept contact with
Ambrose
Ambrose of Milan (; 4 April 397), venerated as Saint Ambrose, was a theologian and statesman who served as Bishop of Milan from 374 to 397. He expressed himself prominently as a public figure, fiercely promoting Roman Christianity against Ari ...
of
Milan
Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...
and
John Chrysostom
John Chrysostom (; ; – 14 September 407) was an important Church Father who served as archbishop of Constantinople. He is known for his preaching and public speaking, his denunciation of abuse of authority by both ecclesiastical and p ...
.
In time, part of western
Illyria
In classical and late antiquity, Illyria (; , ''Illyría'' or , ''Illyrís''; , ''Illyricum'') was a region in the western part of the Balkan Peninsula inhabited by numerous tribes of people collectively known as the Illyrians.
The Ancient Gree ...
, and to the north,
Noricum
Noricum () is the Latin name for the kingdom or federation of tribes that included most of modern Austria and part of Slovenia. In the first century AD, it became a province of the Roman Empire. Its borders were the Danube to the north, R ...
and
Rhaetia
Raetia or Rhaetia ( , ) was a Roman province, province of the Roman Empire named after the Rhaetian people. It bordered on the west with the country of the Helvetii, on the east with Noricum, on the north with Vindelicia, on the south-west wit ...
, came under the jurisdiction of Aquileia. Roman cities like
Verona
Verona ( ; ; or ) is a city on the Adige, River Adige in Veneto, Italy, with 255,131 inhabitants. It is one of the seven provincial capitals of the region, and is the largest city Comune, municipality in the region and in Northeast Italy, nor ...
,
Trent,
Pola,
Belluno
Belluno (; ; ) is a town and province in the Veneto region of northern Italy. Located about north of Venice, Belluno is the Capital (political), capital of the province of Belluno and the most important city in the Eastern Dolomites region. W ...
,
Feltre
Feltre (; ) is a town and ''comune'' of the province of Belluno in Veneto, northern Italy. A hill town in the southern reaches of the province, it is located on the Stizzon River, about from its junction with the Piave, and southwest from Bell ...
,
Vicenza
Vicenza ( , ; or , archaically ) is a city in northeastern Italy. It is in the Veneto region, at the northern base of the Monte Berico, where it straddles the Bacchiglione, River Bacchiglione. Vicenza is approximately west of Venice and e ...
,
Treviso
Treviso ( ; ; ) is a city and (municipality) in the Veneto region of northern Italy. It is the capital of the province of Treviso and the municipality has 87.322 inhabitants (as of December 2024). Some 3,000 live within the Venetian wall ...
and
Padua
Padua ( ) is a city and ''comune'' (municipality) in Veneto, northern Italy, and the capital of the province of Padua. The city lies on the banks of the river Bacchiglione, west of Venice and southeast of Vicenza, and has a population of 20 ...
were among its
suffragan
A suffragan bishop is a type of bishop in some Christian denominations.
In the Catholic Church, a suffragan bishop leads a diocese within an ecclesiastical province other than the principal diocese, the metropolitan archdiocese; the diocese led ...
s in the 5th and 6th centuries. As metropolitans of such an extensive territory, and representatives of Roman civilization among the
Ostrogoths
The Ostrogoths () were a Roman-era Germanic peoples, Germanic people. In the 5th century, they followed the Visigoths in creating one of the two great Goths, Gothic kingdoms within the Western Roman Empire, drawing upon the large Gothic populatio ...
and
Lombards
The Lombards () or Longobards () were a Germanic peoples, Germanic people who conquered most of the Italian Peninsula between 568 and 774.
The medieval Lombard historian Paul the Deacon wrote in the ''History of the Lombards'' (written betwee ...
, the archbishops of Aquileia sought and obtained from their barbarian masters the honorific title of
patriarch
The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Roman Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and ...
, personal, however, as yet to each titular of the see. This title aided in promoting and at the same time justifying the strong tendency towards independence that was quite manifest in the relations of Aquileia with
Rome
Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
, a trait it shared with its rival,
Ravenna
Ravenna ( ; , also ; ) is the capital city of the Province of Ravenna, in the Emilia-Romagna region of Northern Italy. It was the capital city of the Western Roman Empire during the 5th century until its Fall of Rome, collapse in 476, after which ...
, which, less fortunate, never obtained the patriarchal dignity.
Emperor
Justinian
Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565.
His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...
's decision that Italy, too, should adopt his religious policy which favoured
Monophysitism
Monophysitism ( ) or monophysism ( ; from Greek , "solitary" and , "nature") is a Christological doctrine that states that there was only one nature—the divine—in the person of Jesus Christ, who was the incarnated Word. It is rejected as he ...
, was met with strong opposition by Aquileia's bishop Macedonius (539–557). In the meantime,
Pope Vigilius
Pope Vigilius (died 7 June 555) was the bishop of Rome from 29 March 537 to his death on 7 June 555. He is considered the first pope of the Byzantine papacy. Born into Roman aristocracy, Vigilius served as a deacon and papal ''apocrisiarius' ...
gave in to Justinian's threats and adhered to the
Second Council of Constantinople
The Second Council of Constantinople is the fifth of the first seven ecumenical councils recognized by both the Eastern Orthodox Church and the Catholic Church. It is also recognized by the Old Catholics and others. Protestant opinions and re ...
of 553 which condemned the three representatives later known as the
Three Chapters. Owing to the acquiescence of Vigilius in the condemnation of the "Three Chapters", the bishops of northern Italy (
Liguria
Liguria (; ; , ) is a Regions of Italy, region of north-western Italy; its Capital city, capital is Genoa. Its territory is crossed by the Alps and the Apennine Mountains, Apennines Mountain chain, mountain range and is roughly coextensive with ...
and
Aemilia) and among them those of the Venetia and Istria,
broke off communion with Rome, under the leadership of Macedonius. This
Schism of the Three Chapters
The Schism of the Three Chapters was a schism that affected Chalcedonian Christianity in Northern Italy lasting from 553 to 698 AD and in some areas to 715 AD, although the area out of communion with Rome contracted during that time. It was part of ...
provided the opportunity for the bishop of Aquileia to assume the title "patriarch". Macedonius' successor
Paulinus I (557–569) began using the title around 560.
Meanwhile, by the end of the next decade, the
Lombards
The Lombards () or Longobards () were a Germanic peoples, Germanic people who conquered most of the Italian Peninsula between 568 and 774.
The medieval Lombard historian Paul the Deacon wrote in the ''History of the Lombards'' (written betwee ...
overran all of northern Italy. In 568, the patriarch of Aquileia was obliged to flee, with the treasures of his church, to the little island of
Grado, near
Trieste
Trieste ( , ; ) is a city and seaport in northeastern Italy. It is the capital and largest city of the Regions of Italy#Autonomous regions with special statute, autonomous region of Friuli-Venezia Giulia, as well as of the Province of Trieste, ...
, a last remnant of the
imperial possessions in northern Italy. This political change did not affect the relations of the patriarchate with Rome; its bishops, whether in Lombard or imperial territory, persistently refused all invitations to a reconciliation.
Split between old Aquileia and Grado

Various efforts of the popes at Rome and the
exarchs at Ravenna, both peaceful and otherwise, met with persistent refusal to renew the bonds of unity until the election of Candidianus (606 or 607) as Metropolitan of Aquileia (in Grado). Weary of fifty years' schism, those of his suffragans whose sees lay within the empire joined him in submission to Rome; his mainland suffragans among the Lombards persisted in the schism. They went further and elected in Aquileia itself, patriarch John the Abbot (606 or 607) so that henceforth there were two little patriarchates in northern Italy, the insular
patriarchate of Aquileia in Grado and the mainland
patriarchate of Old Aquileia, residing in the fortress of
Cormons
Cormons or Cormòns (; ) is a (municipality) in the Regional decentralization entity of Gorizia in the Italian region of Friuli-Venezia Giulia, located about northwest of Trieste and about west of Gorizia, on the border with Slovenia.
Cor ...
.
With the death of King
Grimuald (671), who was an
Arian
Arianism (, ) is a Christological doctrine which rejects the traditional notion of the Trinity and considers Jesus to be a creation of God, and therefore distinct from God. It is named after its major proponent, Arius (). It is considered he ...
, attitudes began to change. Royal court officials were prevalently Catholic and favoured an agreement with the Church of Rome. Eventually the Lombard kings wished to remove all conflicts with Rome, including the schism with the Aquileian church. Gradually the schism lost its vigour. King
Cunipert
Cunipert (also Cunibert or Cunincpert) was king of the Lombards from 688 to 700. He succeeded his father Perctarit, though he was associated with the throne from 680.
Life
Soon after his assumption of the sole kingship, Cunipert was ousted by ...
summoned the
Synod of Pavia (698/699) whereby Old-Aquileia reconciled with Rome, and Pope Gregory II granted the
pallium
The pallium (derived from the Roman ''pallium'' or ''palla'', a woolen cloak; : pallia) is an ecclesiastical vestment in the Catholic Church, originally peculiar to the pope, but for many centuries bestowed by the Holy See upon metropolitan bish ...
to Patriarch Serenus (715–730) of Aquileia in 723. It was probably during the seventh century that the popes recognized in the metropolitans of Grado the title of Patriarch of Aquileia, in order to offset its assumption by the metropolitans of Old-Aquileia. In succeeding centuries it continued in use by both, but had no longer any practical significance.
In 628, the patriarchs of Old-Aquileia transferred their residence to
Cormons
Cormons or Cormòns (; ) is a (municipality) in the Regional decentralization entity of Gorizia in the Italian region of Friuli-Venezia Giulia, located about northwest of Trieste and about west of Gorizia, on the border with Slovenia.
Cor ...
. Patriarch Callistus moved the patriarchal residence to
Cividale del Friuli
Cividale del Friuli (, locally ; ; ) is a town and (municipality) in the Regional decentralization entity of Udine, part of the North-Italian region of Friuli-Venezia Giulia. The town lies above sea-level in the foothills of the eastern Alps, ...
(
Forum Julii) in 737 and it remained there until the thirteenth century when it was moved again, this time to
Udine
Udine ( ; ; ; ; ) is a city and (municipality) in northeastern Italy, in the middle of the Friuli-Venezia Giulia region, between the Adriatic Sea and the Carnic Alps. It is the capital of the Province of Udine, Regional decentralization entity ...
in 1223.
Rivalry between old Aquileia and Grado

In 774, the region was incorporated into the
Carolingian
The Carolingian dynasty ( ; known variously as the Carlovingians, Carolingus, Carolings, Karolinger or Karlings) was a Frankish noble family named after Charles Martel and his grandson Charlemagne, descendants of the Arnulfing and Pippinid c ...
monarchy, and by the end of the 8th century a new metropolitan see at
Salzburg
Salzburg is the List of cities and towns in Austria, fourth-largest city in Austria. In 2020 its population was 156,852. The city lies on the Salzach, Salzach River, near the border with Germany and at the foot of the Austrian Alps, Alps moun ...
was created, thus reducing the size of the ecclesiastical province of Old-Aquileia, which long claimed as its own the territory of
Carinthia
Carinthia ( ; ; ) is the southernmost and least densely populated States of Austria, Austrian state, in the Eastern Alps, and is noted for its mountains and lakes. The Lake Wolayer is a mountain lake on the Carinthian side of the Carnic Main ...
and other northeastern regions. Patriarch Ursus of Aquileia (d. 811) accepted the arbitration of
Charlemagne
Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...
, by which the Carinthian territory north of the
Drave was relinquished to Arno of Salzburg. After the death of Ursus,
Maxentius
Marcus Aurelius Valerius Maxentius ( 283 – 28 October 312) was a Roman emperor from 306 until his death in 312. Despite ruling in Italy and North Africa, and having the recognition of the Senate in Rome, he was not recognized as a legitimate ...
solicited funds from Charlemagne's court to rebuild Aquileia. Maxentius served as the Patriarch of Aquileia from 811 till his death in 837.
[''Friulian Biographical Dictionary](_blank)
/ref>
Nevertheless, the Hungarian invasion of the 9th century and the decline of imperial control increased the authority of the patriarchs.
German feudal influence was henceforth more and more tangible in the ecclesiastical affairs of Old-Aquileia. In 1011 one of its patriarchs, John IV, surrounded by thirty bishops, consecrated the new cathedral of Bamberg
Bamberg (, , ; East Franconian German, East Franconian: ''Bambärch'') is a town in Upper Franconia district in Bavaria, Germany, on the river Regnitz close to its confluence with the river Main (river), Main. Bamberg had 79,000 inhabitants in ...
. Poppo, or Wolfgang (1019–1042), a familiar and minister of Emperor Conrad II, consecrated his own cathedral at Aquileia on 13 July 1031, in honour of the Blessed Virgin Mary. Under his reign the city also received a new line of walls. Poppo also managed to free the patriarch definitively from the Duchy of Carinthia
The Duchy of Carinthia (; ; ) was a duchy located in southern Austria and parts of northern Slovenia. It was separated from the Duchy of Bavaria in 976, and was the first newly created Imperial State after the original German stem duchies.
Car ...
and warred against Grado.
In 1047, the Patriarch Eberhard, a German, assisted at the Roman synod of that year, in which it was declared that Aquileia was inferior in honour only to Rome, Ravenna, and Milan. In 1063, however, Pope Leo IX
Pope Leo IX (, , 21 June 1002 – 19 April 1054), born Bruno von Egisheim-Dagsburg, was the head of the Catholic Church and ruler of the Papal States from 12 February 1049 to his death in 1054. Leo IX is considered to be one of the most historica ...
declared Grado to have the supremacy, but Gotebald
Gotebald (or Gotebold) was the Patriarch of Aquileia during the middle of the eleventh century (1049–1063). He was originally a provost from Speyer (''prepositus Nemetensis''). During his reign, the century-old conflict between Old-Aquileia and ...
retained the support of Emperor Henry III
Henry III (, 28 October 1016 – 5 October 1056), called the Black () or the Pious, was Holy Roman Emperor from 1046 until his death in 1056. A member of the Salian dynasty, he was the eldest son of Conrad II and Gisela of Swabia.
Henry was rais ...
.
Two powers of old Aquileia: ecclesiastical and temporal
In 1077, the patriarch Sieghard of Belstein received the ducal title of Friuli from German king Henry IV, an act traditionally regarded as the birth of the Patriarchal State of Aquileia, known in Italian as ''Patria del Friuli''. The Patriarchal state subsequently extended its political control in the area: regions under Aquileian control in the following centuries also included Trieste
Trieste ( , ; ) is a city and seaport in northeastern Italy. It is the capital and largest city of the Regions of Italy#Autonomous regions with special statute, autonomous region of Friuli-Venezia Giulia, as well as of the Province of Trieste, ...
, , central parts of Istria
Istria ( ; Croatian language, Croatian and Slovene language, Slovene: ; Italian language, Italian and Venetian language, Venetian: ; ; Istro-Romanian language, Istro-Romanian: ; ; ) is the largest peninsula within the Adriatic Sea. Located at th ...
, and minor possessions throughout Carniola
Carniola ( ; ; ; ) is a historical region that comprised parts of present-day Slovenia. Although as a whole it does not exist anymore, Slovenes living within the former borders of the region still tend to identify with its traditional parts Upp ...
and Carinthia
Carinthia ( ; ; ) is the southernmost and least densely populated States of Austria, Austrian state, in the Eastern Alps, and is noted for its mountains and lakes. The Lake Wolayer is a mountain lake on the Carinthian side of the Carnic Main ...
. At its maximum height, the Patriarchal state of Aquileia was one of the largest states in Italy. Noblemen from the Patriarchal state were also protagonists in the Crusades
The Crusades were a series of religious wars initiated, supported, and at times directed by the Papacy during the Middle Ages. The most prominent of these were the campaigns to the Holy Land aimed at reclaiming Jerusalem and its surrounding t ...
. In 1186 Patriarch Godfrey crowned Frederick Barbarossa
Frederick Barbarossa (December 1122 – 10 June 1190), also known as Frederick I (; ), was the Holy Roman Emperor from 1155 until his death in 1190. He was elected King of Germany in Frankfurt on 4 March 1152 and crowned in Aachen on 9 March 115 ...
's son, Henry VI, in the Basilica of Sant'Ambrogio
The Basilica of Sant'Ambrogio, officially known as ''Basilica romana minore collegiata abbaziale prepositurale di Sant'Ambrogio'', is an ancient Romanesque-style, Roman Catholic church located in the center of Milan, in the region of Lombardy, ...
in Milan as King of Italy; in retaliation, Pope Urban III deposed him.
In 1180, a long standing dispute between patriarchates of old Aquileia and Grado over jurisdiction in Istria
Istria ( ; Croatian language, Croatian and Slovene language, Slovene: ; Italian language, Italian and Venetian language, Venetian: ; ; Istro-Romanian language, Istro-Romanian: ; ; ) is the largest peninsula within the Adriatic Sea. Located at th ...
was resolved by mutual agreement, in favor of old Aquileia.
In the early 13th century, particularly under Wolfger von Erla
Wolfger von Erla, known in Italian as Volchero (c. 1140 – 23 January 1218), was the Bishop of Passau from 1191 until 1204 and Patriarch of Aquileia thereafter until his death.
He was renowned in his own time as a diplomat and peacemaker. He pa ...
(1204–1218) and Berthold (1218–1251), the Patriarchate had a flourishing industry and commerce, favoured by a good road network, as well as a notable cultural activity. Damaged by earthquakes and other calamities, and reduced to a few hundred inhabitants, Aquileia was nearly abandoned in the 14th century. The capital of the state was moved first to Cividale
Cividale del Friuli (, locally ; ; ) is a town and (municipality) in the Province of Udine, Regional decentralization entity of Udine, part of the Northern Italy, North-Italian region of Friuli-Venezia Giulia. The town lies above sea-level in th ...
and then, from 1238, to Udine
Udine ( ; ; ; ; ) is a city and (municipality) in northeastern Italy, in the middle of the Friuli-Venezia Giulia region, between the Adriatic Sea and the Carnic Alps. It is the capital of the Province of Udine, Regional decentralization entity ...
, in central Friuli, which had been a favourite residence of the patriarch since the 13th century and soon became a large city.
However, late in the century, the Patriarchate had to face the increasing power of the Republic of Venice
The Republic of Venice, officially the Most Serene Republic of Venice and traditionally known as La Serenissima, was a sovereign state and Maritime republics, maritime republic with its capital in Venice. Founded, according to tradition, in 697 ...
, as well as the inner strifes between its vassals, and also became entangled in the endless wars between Guelphs and Ghibellines
The Guelphs and Ghibellines ( , ; ) were Political faction, factions supporting the Pope (Guelphs) and the Holy Roman Emperor (Ghibellines) in the Italian city-states of Central Italy and Northern Italy during the Middle Ages. During the 12th ...
. A recovery occurred during the rule of Bertrand (1334–1350), a successful administrator and military leader. He was killed in 1350 in a plot, at the age of ninety.
Since the transfer of the patriarchal residence to Udine the Venetians had never lived in peace with the patriarchate, of whose imperial favour and tendencies they were jealous. In the 15th century the state also suffered a series of inner strifes between Cividale and Udine. In 1411 this turned into a war which was to mark the end of the Patriarchal state, Cividale having received support from most of the Friulian communes, the da Carrara of Padua, the Emperor and the King of Hungary, while the latter was backed by the Venetians. In the December of that year the imperial army captured Udine and, in the following January, Louis of Teck was created Patriarch in the city's cathedral. On 23 July 1419 the Venetians conquered Cividale and prepared to do the same with Udine. The city fell on 7 June 1420 after a long siege. Soon afterwards Gemona, San Daniele, Venzone and Tolmezzo
Tolmezzo (; ; archaic or ) is a town and (municipality) in the Province of Udine, Regional decentralization entity of Udine, part of the autonomous Friuli-Venezia Giulia region of north-eastern Italy.
Geography
Tolmezzo is located at the foot o ...
followed. Venetians thus annexed the territory, depriving the Patriarch of Aquileia of his temporal powers.
In 1445, after the defeated patriarch Ludovico Trevisan at the Council of Florence
The Council of Florence is the seventeenth ecumenical council recognized by the Catholic Church, held between 1431 and 1445. It was convened in territories under the Holy Roman Empire. Italy became a venue of a Catholic ecumenical council aft ...
had acquiesced in the loss of his ancient temporal estate, in return for an annual salary of 5,000 ducats allowed him from the Venetian treasury, the war was finally over. The former Friulian state was incorporated in the Republic of Venice
The Republic of Venice, officially the Most Serene Republic of Venice and traditionally known as La Serenissima, was a sovereign state and Maritime republics, maritime republic with its capital in Venice. Founded, according to tradition, in 697 ...
with the name of ''Patria del Friuli'', ruled by a General Proveditor or a ''Luogotenente'' living in Udine.
Suppression of Grado and decline of old Aquileia
In 1451, the Patriarchate of Grado
The Patriarchate of Grado, also known as the Patriarchate of New Aquileia, was an episcopal see and ecclesiastical province in northeastern Italy, centered in Grado, on the northern coasts of the Adriatic Sea. It was created as a result of an in ...
(new Aquileia) was suppressed, and replaced by the Patriarchate of Venice
The Patriarchate of Venice (; ), also sometimes called the Archdiocese of Venice, is a patriarchate of the Latin Church of the Catholic Church, located in the Metropolitan City of Venice. Its Cathedra, episcopal seat is in the St Mark's Basilica ...
, that kept Aquileian historical claims and traditions of Grado.
In the same time, Patriarchs of old Aquileia, deprived of their previous temporal powers, continued to exercise their ecclesiastical jurisdiction. Under Domenico Grimani (cardinal since 1497), Austrian parts of Friuli
Friuli (; ; or ; ; ) is a historical region of northeast Italy. The region is marked by its separate regional and ethnic identity predominantly tied to the Friulians, who speak the Friulian language. It comprises the major part of the autono ...
were added to the territory of the patriarchate whose jurisdiction thus extended over some Austrian dioceses. In 1623 provost of Aquileia Albert Pessler, on behalf of Ferdinand II, Holy Roman Emperor
Ferdinand II (9 July 1578 – 15 February 1637) was Holy Roman Emperor, King of Bohemia, King of Hungary, Hungary, and List of Croatian monarchs, Croatia from 1619 until his death in 1637. He was the son of Archduke Charles II, Archduke of Austr ...
, requested establishment of the Bishopric of Gorizia and removing the Austrian dioceses from jurisdiction of the Patriarchate of Aquileia.
The 109th and last Patriarch of old Aquileia was Daniel Dolfin, coadjutor The term "coadjutor" (literally "co-assister" in Latin) is a title qualifier indicating that the holder shares the office with another person, with powers equal to the other in all but formal order of precedence.
These include:
* Coadjutor bishop ...
since 1714 of his predecessor, Dionigio Dolfin, his successor since 1734, and a cardinal since 1747.
The Venetian claim to the nomination of the Patriarch of Aquileia had been met by a counter-claim on the part of Austria since the end of the fifteenth century when Austrian dioceses came to be included within the jurisdiction of the patriarchate.
Finally, Benedict XIV
Pope Benedict XIV (; ; 31 March 1675 – 3 May 1758), born Prospero Lorenzo Lambertini, was head of the Catholic Church and ruler of the Papal States from 17 August 1740 to his death in May 1758. Pope Benedict X (1058–1059) is now con ...
was chosen as arbiter. He awarded (1748–49) to the Archdiocese of Udine
The Archdiocese of Udine () is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Italy. The see was established in 1752 when the Patriarchal see of Aquileia was divided. From 1818 to 1846 it was a suffragan diocese ...
the Venetian territory in Friuli, and for the Austrian possessions he created a vicariate apostolic
An apostolic vicariate is a territorial jurisdiction of the Catholic Church under a titular bishop centered in missionary regions and countries where dioceses or parishes have not yet been established. The status of apostolic vicariate is often ...
with residence at Gorizia
Gorizia (; ; , ; ; ) is a town and (municipality) in northeastern Italy, in the autonomous region of Friuli-Venezia Giulia. It is located at the foot of the Julian Alps, bordering Slovenia. It is the capital of the Province of Gorizia, Region ...
, independent of the Patriarch of Aquileia, and exempt (i.e., immediately dependent on the Holy See), in whose name all jurisdiction was exercised.
This decision was not satisfactory to Venice, and in 1751 with the 6 July bull
A bull is an intact (i.e., not Castration, castrated) adult male of the species ''Bos taurus'' (cattle). More muscular and aggressive than the females of the same species (i.e. cows proper), bulls have long been an important symbol cattle in r ...
''Injunctio Nobis'', the Pope divided the patriarchate into two archdioceses; one at Udine
Udine ( ; ; ; ; ) is a city and (municipality) in northeastern Italy, in the middle of the Friuli-Venezia Giulia region, between the Adriatic Sea and the Carnic Alps. It is the capital of the Province of Udine, Regional decentralization entity ...
, with Venetian Friuli for its territory, the other at Gorizia
Gorizia (; ; , ; ; ) is a town and (municipality) in northeastern Italy, in the autonomous region of Friuli-Venezia Giulia. It is located at the foot of the Julian Alps, bordering Slovenia. It is the capital of the Province of Gorizia, Region ...
, with jurisdiction over Austrian Friuli. Of the ancient patriarchate, once so proud and influential, there remained but the parish church of Aquileia. It was made immediately subject to the Apostolic See and to its rector was granted the right of using episcopal insignia seven times in the year.
Titular see
In 1968, Aquileia
Aquileia is an ancient Roman city in Italy, at the head of the Adriatic at the edge of the lagoons, about from the sea, on the river Natiso (modern Natisone), the course of which has changed somewhat since Roman times. Today, the city is small ( ...
was inserted into the Catholic Church's list of titular
Titular may refer to:
Arts, entertainment, and media
* Title character in a narrative work, the character referred to in its title
Religion
* Titular (Catholicism), a cardinal who holds a titulus, one of the main churches of Rome
** Titular bisho ...
(no longer residential) sees with metropolitan rank.[''Annuario Pontificio 1968'' (Tipografia Poliglotta Vaticana 1968), p. 553] , the see is held by Charles John Brown, currently Apostolic Nuncio to the Philippines, who was appointed to the see on 26 November 2011.
See also
* Patriarchate of New Aquileia
* Patriarchate of Old Aquileia
* Patriarchal State of Aquileia
* Aquileian rite The Aquileian Rite was a particular liturgical tradition of the Patriarchate of Aquileia and hence called the It was effectively replaced by the Roman Rite by the beginning of the seventeenth century, although elements of it survived in St. Mark's ...
* List of bishops and patriarchs of Aquileia
* Titular Archbishop of Aquileia
Notes and references
Sources
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* Härtel, Reinhard (2025).
Die älteren Urkunden des Domkapitels zu Aquileia und des Klosters Beligna (bis 1250)
'. Vienna: Verlag der Österreichischen Akademie der Wissenschaften, .
*
*
*
*
* Minotto, A. S. (ed.) (1870)
''Documenta ad Forumjulii patriarchatum Aquileiensem Tergestum Istriam Goritiam'' Vol. 1.
. Venice: typis Joh. Cecchini, 1870. olume 1 of Acta et diplomata e r. tabulario veneto / studio et opera A. S. Minotto
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External links
I libri dei Patriarchi
{{DEFAULTSORT:Aquileia, Patriarchate Of
Apostolic sees
Dioceses established in the 1st century
1751 disestablishments in Italy
Roman Catholic dioceses in the Holy Roman Empire
1st-century establishments in Italy
Former Latin patriarchates
Aqu
Aqu