Treaty of Constantinople (1454)

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The Treaty of Constantinople was signed on April 18, 1454 between the Ottoman Empire and the Republic of Venice. It was the first treaty signed by the Turkish Sultan following the capture of Constantinople in 1453. It effectively ended Venetian aspirations to eliminate the Ottoman Empire or to conquer Constantinople on behalf of Christendom. The treaty gave the Republic of Venice freedom to trade in the Eastern Mediterranean.

Ottoman Empire Former empire in Asia, Europe and Africa

The Ottoman Empire, also historically known in Western Europe as the Turkish Empire or simply Turkey, was a state that controlled much of Southeast Europe, Western Asia and North Africa between the 14th and early 20th centuries. It was founded at the end of the 13th century in northwestern Anatolia in the town of Söğüt by the Oghuz Turkish tribal leader Osman I. After 1354, the Ottomans crossed into Europe, and with the conquest of the Balkans, the Ottoman beylik was transformed into a transcontinental empire. The Ottomans ended the Byzantine Empire with the 1453 conquest of Constantinople by Mehmed the Conqueror.

Republic of Venice former state in in Northeastern Italy (697–1797)

The Republic of Venice or Venetian Republic, traditionally known as La Serenissima was a sovereign state and maritime republic in northeastern Italy, which existed for over a millennium between the 7th century and the 18th century from 697 AD until 1797 AD. It was based in the lagoon communities of the historically prosperous city of Venice, and was a leading European economic and trading power during the Middle Ages and the Renaissance.



The Constantinople treaty of 1454 weakened considerably any prospects for an alliance of Italian princes against the Ottoman Empire - a cause espoused by Pope Nicholas V. It also aggravated relations between the Republic of Venice and the Papacy.

Pope Nicholas V Pope of Catholic Church from 1447 until 1455

Pope Nicholas V, born Tommaso Parentucelli, was Pope from 6 March 1447 until his death. Pope Eugene made him a cardinal in 1446 after successful trips to Italy and Germany, and when Eugene died the next year Parentucelli was elected in his place. He took his name Nicholas in memory of his obligations to Niccolò Albergati.

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