The Duchy of Tridentum (Trent) was an autonomous Lombard duchy, established by

Euin Euin (died 595), also ''Ewin'' or ''Eoin'', was the first Lombard Duke of Trent (from 569) during the Rule of the Dukes, an interregnum (575–585) during which the Kingdom of Italy was ruled by its regional magnates, the dukes of the thirty or s ...

during the Lombard interregnum of 574–584 that followed the assassination of the Lombard leader

Alboin Alboin (530s – 28 June 572) was king of the Lombards from about 560 until 572. During his reign the Lombards ended their migrations by settling in Italy, the northern part of which Alboin conquered between 569 and 572. He had a lasting effe ...

. The stronghold of Euin's territory was the Roman city of Tridentum in the upper valley of the

Adige The Adige (; german: Etsch ; vec, Àdexe ; rm, Adisch ; lld, Adesc; la, Athesis; grc, Ἄθεσις, Áthesis, or , ''Átagis'') is the second-longest river in Italy, after the Po. It rises near the Reschen Pass in the Vinschgau in the pro ...

, in the foothills of the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Swi ...

in northern Italy, where the duchy formed one of the

marches In medieval Europe, a march or mark was, in broad terms, any kind of borderland, as opposed to a national "heartland". More specifically, a march was a border between realms or a neutral buffer zone under joint control of two states in which diff ...

of the

Lombard Kingdom of Italy The Kingdom of the Lombards ( la, Regnum Langobardorum; it, Regno dei Longobardi; lmo, Regn di Lombard) also known as the Lombard Kingdom; later the Kingdom of (all) Italy ( la, Regnum totius Italiae), was an Early Middle Ages, early medieval ...

. There he shared power with the bishop, who was nominally subject to the

Patriarch of Aquileia The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and in certain ...

. In 574–75, Lombard raiding parties pillaged the valley of the Rhône, incurring retaliatory raids into the duchy by Austrasian Franks, who had seized control of the mountain passes leading into the

kingdom of Burgundy Kingdom of Burgundy was a name given to various states located in Western Europe during the Middle Ages. The historical Burgundy correlates with the border area of France, Italy and Switzerland and includes the major modern cities of Geneva and ...

. Euin was at the head of the army loyal to

Authari Authari (c. 550 – 5 September 590) was king of the Lombards from 584 to his death. He was considered as the first Lombard king to have adopted some level of "Roman-ness" and introduced policies that led to drastic changes particularly in th ...

that went into the territory of the

duke of Friuli The dukes and margraves of Friuli were the rulers of the Duchy and March of Friuli in the Middle Ages. The dates given below, when contentious, are discussed in the articles of the respective dukes. Lombard dukes * 568–c.584 Grasulf I * 5 ...

in Istria, c 589, and he was sent by

Agilulf Agilulf ( 555 – April 616), called ''the Thuringian'' and nicknamed ''Ago'', was a duke of Turin and king of the Lombards from 591 until his death. A relative of his predecessor Authari, Agilulf was of Thuringian origin and belonged to the A ...

to make peace with the Franks his neighbors, in 591. After Euin's death c 595, Agilulf installed

Gaidoald Gaidoald ( la, Gaidoaldus, ''Gaidualdus'' or ''Gadoaldus'') was the second Lombards, Lombard duke of Trent, succeeding Euin in 595. Our main source for Gaidoald's life is Paul the Deacon's ''Historia Langobardorum'', which in turn depends on the ...

, who was a Catholic, rather than an Arian Christian. After some friction between king and duke, they were reconciled in 600. The separate Lombard duchy of Brescia was united with Tridentum in the person of

Alagis Alahis (or Alagis) (fl. 680–689) was the Arian duke of Trent and Brescia before becoming king of the Lombards after his successful rebellion in 688. He did not rule long, however. His first rebellion against King Perctarit failed in 680, but ...

, a fervent Arian and opponent of the Lombard king,

Perctarit Perctarit (also Berthari) (died 688) was king of the Lombards from 661 to 662 the first time and later from 671 to 688. He was the son and successor of Aripert I. He shared power with his brother Godepert. He was a Catholic, whereas Godepert wa ...

, who was killed in the battle of

Cornate d'Adda Cornate d'Adda (''Curnàa'' in the Brianza dialect, and simply Cornate until 1924) is a ''comune'' of 10,799 inhabitants in the province of Monza and Brianza, and it is 21 km away from Monza, the provincial capital. It is part of the '' Vimerca ...

(688). With the collapse of the Lombard kingdom in 773–74, the duchy of Tridentum passed into

Frankish Frankish may refer to: * Franks, a Germanic tribe and their culture ** Frankish language or its modern descendants, Franconian languages * Francia, a post-Roman state in France and Germany * East Francia, the successor state to Francia in Germany ...

control and was transformed. After German king

Otto I Otto I (23 November 912 – 7 May 973), traditionally known as Otto the Great (german: Otto der Große, it, Ottone il Grande), was East Frankish king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the oldest son of He ...

had subdued the Italian kingdom in 952 he incorporated Tridentum into the March of Verona. Its strategic position controlling the Alpine mountain passes encouraged the eleventh-century Holy Roman Emperors to invest the Bishop Ulrich II of

Trent Trent may refer to: Places Italy * Trento in northern Italy, site of the Council of Trent United Kingdom * Trent, Dorset, England, United Kingdom Germany * Trent, Germany, a municipality on the island of Rügen United States * Trent, California, ...

with temporal powers over a sizable territory, as an independent prince of the

Empire An empire is a "political unit" made up of several territories and peoples, "usually created by conquest, and divided between a dominant center and subordinate peripheries". The center of the empire (sometimes referred to as the metropole) ex ...

, with the powers and privileges of a duke. A succession of Prince-Bishops ruled, except for a few short intervals,Albert III, the last of the Counts of Tirol (d. 1253), was able to unite the duchies of Trent and

Brescia Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and ''comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo ...

. until 1802, when the bishopric was

secularized In sociology, secularization (or secularisation) is the transformation of a society from close identification with religious values and institutions toward non-religious values and secular institutions. The ''secularization thesis'' expresses the ...

and became a part of Austrian

Tyrol Tyrol (; historically the Tyrole; de-AT, Tirol ; it, Tirolo) is a historical region in the Alps - in Northern Italy and western Austria. The area was historically the core of the County of Tyrol, part of the Holy Roman Empire, Austrian Emp ...

Notes

{{DEFAULTSORT:Tridentum (Trent), Duchy Of Lombards States and territories established in the 6th century Former duchies Former monarchies of Europe Former theocracies