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Alexios I's chrysobull for Venice

In return for naval help against the Normans, Alexios I granted the Venetians the right to trade free of all duties in Constantinople and a long list of imperial ports, a quarter of their own in the capital and honours for the doge. The golden bull laid the foundations of Venice's commercial power in the eastern Mediterranean — at the expense, many historians argue, of Byzantine revenue and merchants.

Date
May 1082month known
Place
Constantinopletoday: Istanbul, Turkey · Balkans and Anatolia
Participants
Alexios I Komnenos, Republic of Venice, Byzantine Empire
Threads
Balkans and Anatolia (11th–12th c.)
Also known as
Byzantine–Venetian treaty of 1082; Golden Bull of 1082; Византийско-венецианский договор 1082 года; Хрисовул 1082 года

The chrysobull rewarded the Venetian fleet that had fought the Normans off Dyrrhachium and secured its continued support. Venetian merchants were freed from the customs and other dues collected by imperial officials in Constantinople and in ports and cities from Laodicea and Antioch in the east to Dyrrhachium and Corfu in the west; they received a quarter in the capital with workshops and three landing stages; the doge was given the court title of protosebastos with a salary, the patriarch of Grado the title of hypertimos, and the Amalfitan merchants living in the empire had to pay dues to the church of San Marco in Venice.

Most historians accept the traditional date of May 1082, which Thomas Madden defended in 2002; others, among them E. Francès, have argued for 1084, and Peter Frankopan for 1092. The privileges gave the Venetians an advantage over their Byzantine competitors that grew with time. When John II Komnenos refused to renew them, Venetian fleets raided the Byzantine coasts in 1122–1126 until he confirmed and extended them.

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  • Battle of Dyrrhachium18 October 1081 · Balkans and Anatoliathe privileges rewarded the Venetian fleet that had fought the Normans off Dyrrhachium

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Sources

  1. Wikipedia (English): Byzantine–Venetian treaty of 1082
  2. Wikipedia (Russian): Византийско-венецианский договор (1082)
  3. Madden T. F. The chrysobull of Alexius I Comnenus to the Venetians: the date and the debate // Journal of Medieval History. — 2002. — Vol. 28, no. 1.
  4. Frankopan P. Byzantine trade privileges to Venice in the eleventh century: the chrysobull of 1092 // Journal of Medieval History. — 2004. — Vol. 30, no. 2. — P. 135–160.
  5. Wikidata: Q5004719