The Treaty of Constantinople (Treaty of İstanbul) was a treaty between the

Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...

and the

Kingdom of Bulgaria The Tsardom of Bulgaria ( bg, Царство България, translit=Tsarstvo Balgariya), also referred to as the Third Bulgarian Tsardom ( bg, Трето Българско Царство, translit=Treto Balgarsko Tsarstvo, links=no), someti ...

signed on 29 September 1913 after the

Second Balkan War The Second Balkan War was a conflict which broke out when Bulgaria, dissatisfied with its share of the spoils of the First Balkan War, attacked its former allies, Serbia and Greece, on 16 ( O.S.) / 29 (N.S.) June 1913. Serbian and Greek armies r ...

at the Ottoman capital

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

, modern İstanbul.

Background

In the

First Balkan War The First Balkan War ( sr, Први балкански рат, ''Prvi balkanski rat''; bg, Балканска война; el, Αʹ Βαλκανικός πόλεμος; tr, Birinci Balkan Savaşı) lasted from October 1912 to May 1913 and invo ...

, the coalition of

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

Serbia Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

and

Montenegro ) , image_map = Europe-Montenegro.svg , map_caption = , image_map2 = , capital = Podgorica , coordinates = , largest_city = capital , official_languages = M ...

defeated the Ottoman Empire. The Ottomans lost nearly all their

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

an possessions, save for a small territory around the

Sea of Marmara The Sea of Marmara,; grc, Προποντίς, Προποντίδα, Propontís, Propontída also known as the Marmara Sea, is an inland sea located entirely within the borders of Turkey. It connects the Black Sea to the Aegean Sea via the ...

by the Treaty of London. The Ottomans however were able to recover

Eastern Thrace Eastern may refer to: Transportation *China Eastern Airlines, a current Chinese airline based in Shanghai * Eastern Air, former name of Zambia Skyways * Eastern Air Lines, a defunct American airline that operated from 1926 to 1991 *Eastern Air ...

during the

. Although peace talks between Bulgaria and her other neighbours were held in

Bucharest Bucharest ( , ; ro, București ) is the capital and largest city of Romania, as well as its cultural, industrial, and financial centre. It is located in the southeast of the country, on the banks of the Dâmbovița River, less than north of ...

, the Ottoman Empire was not represented there and conducted separate negotiations which led to the Treaty of Constantinople.

The treaty

The terms of the treaty were:Sina Akşin: ''Çağdaş Türkiye 1908–1980'', Cem Yayınevi, İstanbul, 2008 p. 50 # Bulgaria acknowledged Ottoman gains of Adrianople (mod.

Edirne Edirne (, ), formerly known as Adrianople or Hadrianopolis (Greek: Άδριανούπολις), is a city in Turkey, in the northwestern part of the province of Edirne in Eastern Thrace. Situated from the Greek and from the Bulgarian borders, ...

Kırklareli Kırklareli () is a city within Kırklareli Province in the East Thrace, European part of Turkey. Name It is not clearly known when the city was founded, nor under what name. The Byzantine Greeks called it Sarànta Ekklisiès (''Σαράντα Ε� ...

and

Didymoteicho Didymoteicho ( el, Διδυμότειχο, Didymóteicho ) is a city located on the eastern edge of the Evros regional unit of Eastern Macedonia and Thrace, in northeastern Greece. It is the seat of the municipality of the same name. The town ...

and the surrounding territory. # The Ottoman Empire ceded the port of Dedeagach (mod.

Alexandroupoli Alexandroupolis ( el, Αλεξανδρούπολη, ), Alexandroupoli, or Alexandrople is a city in Greece and the capital of the Evros regional unit. It is the largest city in Western Thrace and the region of Eastern Macedonia and Thrace. It h ...

) to Bulgaria. # The exchange of lands was to be completed within 10 days. # The armies on the border would be demobilized within three weeks. # Prisoners of war from both sides would be released. # Both political and economic ties between the two countries would be reestablished. The treaty largely defines the modern-day borders between

(European Turkey), Bulgaria and Greece.

Aftermath

The Ottoman Empire and Bulgaria were allies in the

Central Powers The Central Powers, also known as the Central Empires,german: Mittelmächte; hu, Központi hatalmak; tr, İttifak Devletleri / ; bg, Централни сили, translit=Tsentralni sili was one of the two main coalitions that fought in ...

in the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. Before the Bulgarian entry into the war, the Ottoman government decided to cede

to Bulgaria (probably to persuade Bulgaria to join the war) by way of the Bulgarian–Ottoman convention (1915). However, the Central Powers were defeated in 1918 and Bulgaria lost both

Western Thrace Western Thrace or West Thrace ( el, �υτικήΘράκη, '' ytikíThráki'' ; tr, Batı Trakya; bg, Западна/Беломорска Тракия, ''Zapadna/Belomorska Trakiya''), also known as Greek Thrace, is a Geography, geograp ...

and

. Under the terms of the abortive

Treaty of Sèvres The Treaty of Sèvres (french: Traité de Sèvres) was a 1920 treaty signed between the Allies of World War I and the Ottoman Empire. The treaty ceded large parts of Ottoman territory to France, the United Kingdom, Greece and Italy, as well ...

, Turkey was to cede almost all of Eastern Thrace to Greece, but the proposed territorial changes were negated by Turkey's victory over Greece in the

War of Independence This is a list of wars of independence (also called liberation wars). These wars may or may not have been successful in achieving a goal of independence. List See also * Lists of active separatist movements * List of civil wars * List of o ...

and the subsequent

Treaty of Lausanne The Treaty of Lausanne (french: Traité de Lausanne) was a peace treaty negotiated during the Lausanne Conference of 1922–23 and signed in the Palais de Rumine, Lausanne, Switzerland, on 24 July 1923. The treaty officially settled the conflic ...

, which reaffirmed the borders established by the Constantinople agreement and the Bulgarian-Ottoman convention. (except Didymoteicho)

References

External links

* {{DEFAULTSORT:Treaty of Constantinople 1913

Constantinople 1913 Balkan Wars Constantinople 1913 Constantinople 1913 1913 in the Ottoman Empire 1910s in Istanbul 1913 in law September 1913 events