Is the Treaty of Sevres Still Valid? The Treaty Chain

Regional File Editorial Team

In-Depth Analysis· is the Treaty of Sevres still valid

Is the Treaty of Sèvres Still Valid? Reading the Chain from Alexandropol to Lausanne

Is the Treaty of Sèvres still valid? No: it was never ratified and was superseded by Alexandropol, Moscow, Kars and Lausanne. See who signed what.

RF

By Regional File Editorial Team

Published: October 27, 2026

⏱ 9 min read (1,847 words)

Executive Summary & Key Facts

The Treaty of Sèvres (10 August 1920) never entered into force: the Ottoman side did not ratify it, the Grand National Assembly in Ankara rejected it, and the Treaty of Lausanne (24 July 1923) replaced it.
Türkiye's eastern border was fixed not at Lausanne but by the Treaty of Moscow (16 March 1921) and the Treaty of Kars (13 October 1921), which the Armenian, Azerbaijani and Georgian Soviet republics signed together with Ankara.
President Wilson's arbitral award of 22 November 1920 rested on Article 89 of Sèvres, so it depends on a treaty that never took effect and was never enforced.
Diaspora and Dashnak-aligned critics argue that Kars was signed under duress and that Armenia was not a party to Lausanne; Ankara answers with the law of treaties and the stability rule for boundary treaties.
In the 2009 Zurich Protocols, which were signed but never entered into force, Türkiye and Armenia affirmed mutual recognition of their existing border as defined by relevant treaties of international law.

Why It Matters

No, the Treaty of Sèvres is not valid. Signed on 10 August 1920, it was never ratified by the Ottoman state, never entered into force, and was replaced by the Treaty of Lausanne on 24 July 1923. Türkiye's eastern border rests on a separate chain of instruments (Alexandropol, Moscow and Kars), and that chain is why Ankara treats the frontier as settled. The question still matters because 'Wilsonian Armenia' maps circulate in political debate and sometimes surface around Türkiye–Armenia normalization.

Background

The short answer is that Sèvres was a dictated settlement that the Ottoman parliament never approved and the Turkish national movement refused to accept. The sequence below shows what replaced it.

Sèvres and the Wilson award (1920)

Sèvres was signed on 10 August 1920 between the Allied Powers and delegates of the Istanbul government of Sultan Mehmed VI, while Allied forces occupied the Ottoman capital. It provided for Greek administration around Smyrna (İzmir), internationalization of the Straits, a scheme of Kurdish autonomy (Articles 62–64) and recognition of Armenia as a free state (Article 88).

Article 89 asked the President of the United States to arbitrate the Armenia–Ottoman frontier in the vilayets (provinces) of Erzurum, Trabzon, Van and Bitlis. President Woodrow Wilson announced his award on 22 November 1920. It would have given Armenia a large stretch of eastern Anatolia and a Black Sea outlet.

The award was never implemented. The US Senate had declined an Armenian mandate in June 1920. No power enforced the decision, and Wilson left office in March 1921.

The Ottoman Chamber of Deputies had been dissolved after the Allied occupation of Istanbul on 16 March 1920, so the treaty never went to parliament. The Grand National Assembly, which opened in Ankara on 23 April 1920, rejected it. The Assembly's position followed the National Pact (Misak-ı Millî), which the last Ottoman Chamber had adopted in January 1920.

The chain that followed

Instrument	Date	Who signed	What it fixed
Treaty of Alexandropol (Gyumri)	2–3 December 1920	Ankara government (delegation led by General Kâzım Karabekir) and the Dashnak-led Republic of Armenia (delegation led by Alexander Khatisian)	Ended the Turkish–Armenian war of autumn 1920; Armenia renounced Sèvres; set a frontier along the Arpaçay and Aras rivers
Treaty of Moscow	16 March 1921	Ankara government (Yusuf Kemal Tengirşenk) and Soviet Russia (Georgy Chicherin)	Fixed the north-eastern frontier; Batum to Georgia with autonomy; Nakhchivan placed under Azerbaijan's protection
Treaty of Kars	13 October 1921	Ankara government and the Armenian, Azerbaijani and Georgian Soviet republics, with Soviet Russia participating	Confirmed the Moscow frontier line; ratifications exchanged in Yerevan on 11 September 1922
Treaty of Lausanne	24 July 1923	Türkiye (delegation led by İsmet Pasha) with the British Empire, France, Italy, Japan, Greece, Romania and the Serb-Croat-Slovene State	Replaced Sèvres; recognized the new Turkish state; Articles 37–45 protected non-Muslim minorities; entered into force 6 August 1924

Two details are often missed. First, Lausanne did not itself draw the eastern frontier, because Kars had already done so. Second, Alexandropol was signed just as the Dashnak government was handing power to the Bolsheviks. Soviet Armenia did not treat it as its own, which is one reason Kars carries the weight in the legal argument.

Key Players & Positions

Most parties agree on the dates and signatures. They disagree on the legal weight of each step. Our reading is that no UN member state's official position treats Sèvres as being in force.

Diaspora and Dashnak-aligned circles

Some diaspora organizations, including circles aligned with the Armenian Revolutionary Federation (Dashnaktsutyun), have at times invoked Sèvres and the Wilson award. Their arguments, as they put them, are:

Legitimate signature. Sèvres was signed by the internationally recognized Ottoman government, and Armenia was recognized as a state in it.
Binding arbitration. Under Article 89 both sides agreed to accept the US President's decision, so the award is final.
Duress. Alexandropol was concluded after military defeat. Kars was signed by Soviet republics whose consent was not free, since Moscow directed their foreign policy.
Lausanne's silence. Armenia was not a party to Lausanne, and the Armenian 'national home' discussed in the Allied talks does not appear in the final text.

This is a minority strand. The Republic of Armenia's governments have generally said they have no territorial claims on Türkiye. Ankara points, however, to a reference to 'Western Armenia' in Armenia's 1990 Declaration of Independence as a source of ambiguity.

Armenia's government

The 2009 Zurich Protocols, signed on 10 October 2009 but never ratified or brought into force, contained a mutual recognition of the existing border 'as defined by relevant treaties of international law'. Since 14 January 2022 the two countries' Special Representatives, Ambassador Serdar Kılıç and Ruben Rubinyan, have held normalization talks. The land border has been closed since 1993.

Russia and other states

Russia is the continuing state of the Soviet Union, a party to Moscow and Kars. As far as we know, no government has asked for the Wilson award to be enforced. The 1975 Helsinki Final Act, which Armenia joined as a participating state in 1992, commits participants to the inviolability of frontiers.

🇹🇷 Official Position · Documents on File

Türkiye's Position

Ankara's argument is that the border question is closed by treaty law, and that it is separate from the debate about the Events of 1915. It argues the following, drawing on the treaty texts and statements of the Republic of Türkiye Ministry of Foreign Affairs (MFA):

Sèvres never existed in law. It was never ratified by the Ottoman side and never entered into force. The Grand National Assembly rejected it on 23 April 1920 and later, with its rejection reaffirmed by the National Pact. Ankara notes that Sèvres was itself a peace imposed on an occupied capital. A treaty that never took effect creates no rights or obligations.
The Wilson award has no independent footing. It derives entirely from Article 89 of Sèvres. The Ankara government was not party to an arbitration agreement, and the award was never enforced. Ankara adds that the Dashnak-led Armenian government itself renounced Sèvres at Alexandropol.
Kars settled the eastern border. Under the Moscow and Kars treaties, Armenia, Azerbaijan, Georgia and Soviet Russia joined Ankara in fixing the frontier. Ankara holds that the Republic of Armenia, as a successor to the Armenian SSR, inherits that settlement. Lausanne then replaced Sèvres as the instrument of Türkiye's international status and guaranteed non-Muslim minority rights on the basis of equal citizenship.
Boundary treaties carry special stability. Article 62(2)(a) of the 1969 Vienna Convention on the Law of Treaties excludes boundary treaties from the 'fundamental change of circumstances' ground for termination. The International Court of Justice stressed in Libya/Chad (1994) that a boundary established by treaty achieves permanence. Ankara also notes that the Vienna Convention's duress rules (Article 52) are not retroactive (Article 4), and that 1920–21 practice did not treat treaties made after armed conflict as void for coercion.
Normalization without preconditions. Ankara cites its 2005 offer of a Joint Historical Commission and its support for the 2022 talks. It says that a political resolution of 1915 questions cannot be imposed by a third party. On genocide, Ankara argues the 1948 UN Genocide Convention requires specific intent (dolus specialis) established by a competent tribunal. Many scholars and a number of parliaments and governments take the opposite view, and the History File sets out that debate.

For the primary documents and the 1915 context, see The History File: 1915, the Treaty Chain and the Legal Record.

Source Comparison

The sources differ less on what happened than on what it means.

Question	Diaspora / Dashnak-aligned framing	Turkish official framing	Treaty text and legal reading
Is Sèvres in force?	It is the only treaty that recognized Armenia; it has never been formally annulled by its signatories	Never ratified, rejected by the Ankara Assembly, replaced by Lausanne	No ratification and no entry into force; Lausanne (1923) is the controlling settlement
Wilson's award	A binding arbitral award issued under Article 89	Derives solely from Sèvres; not enforced	Depends on the parent treaty; no state has implemented it
Alexandropol	Signed under military defeat	Confirmed Armenia's renunciation of Sèvres	Signed by a government that fell days later; superseded by Kars
Kars	Imposed by Moscow on republics with no free will	Signed by Armenia, Azerbaijan and Georgia alongside Russia	Treaty text lists all parties; ratified 1922; border treaty
Lausanne	Armenia was absent, so the question is open	Lausanne replaced Sèvres as Türkiye's status settlement	Armenia was not a party, but Kars had already fixed the frontier
Present-day relevance	Moral and political claim for justice	A closed question; talks can proceed without preconditions	Border treaty stability and Helsinki inviolability apply

The Archive of Nations fact check on the same question follows a similar treaty-by-treaty approach: Is the Treaty of Sèvres Still Valid? What Lausanne, Kars and the Treaty Record Say About Türkiye's Borders. Readers can check any primary-source claim against our Editorial Principles and Primary Source Standards.

Lausanne also matters beyond Anatolia. It recognized the 1914 British annexation of Cyprus, as discussed in Regional Order's analysis of the 1960 Treaty of Guarantee, and the Cyprus File follows the treaty line from there.

Sèvres (1920): The unratified Allied–Ottoman peace treaty that never entered into force.
Wilson award (22 November 1920): The US President's arbitral decision on the Armenia frontier under Article 89 of Sèvres, never implemented.
Misak-ı Millî (National Pact): The January 1920 Ottoman parliamentary declaration of the territorial and political aims of the Turkish national movement.
Kars (1921): The treaty between Ankara and the three South Caucasus Soviet republics that fixed the north-eastern frontier.
Successor state: A state that takes over rights and obligations of a predecessor; here, Armenia in relation to the Armenian SSR.
Pacta tertiis: The rule that a treaty does not bind states that are not parties to it; critics use it to argue that Lausanne cannot bind Armenia.
Dashnaktsutyun and Hunchak: The Armenian revolutionary parties; see The Hunchak and Dashnak Committees, 1887–1896: A Timeline from the Sources.

Related guides: Regional File: Open the File, Read the Documents, Regional File FAQ: Sources, Method and Perspective, and The Political Anatomy's reading of Article IV of the Treaty of Guarantee for a parallel treaty-text analysis.

Perspective note: Regional File presents Türkiye's perspective on regional files as an openly stated editorial position, grounded in treaty texts, archival records and official statements. Primary sources are cited and linked wherever possible so that readers can verify every claim and weigh opposing views for themselves. Sections marked 'Türkiye's Position' reflect official Turkish policy as stated by Turkish government sources. — Regional File Editorial Team

Frequently asked questions

Is the Treaty of Sèvres still valid?

No. Sèvres was signed on 10 August 1920 but was never ratified by the Ottoman side and never entered into force. The Grand National Assembly in Ankara rejected it, and the Treaty of Lausanne (24 July 1923) replaced it as the settlement with Türkiye.

Is the Wilson arbitral award on Armenia's borders legally binding?

Türkiye and most legal commentators say no. The award of 22 November 1920 was issued under Article 89 of Sèvres, which never took effect, and no state enforced it. Some diaspora groups regard it as binding arbitration, but we know of no government that has adopted that position.

Which treaties fixed Türkiye's eastern border with Armenia?

The Treaty of Moscow (16 March 1921) and the Treaty of Kars (13 October 1921) fixed the north-eastern frontier. Alexandropol (2–3 December 1920) preceded them, and Lausanne (1923) did not redraw this border. Ankara and most international lawyers treat Kars as the controlling text.

Why do some critics say Kars and Alexandropol are invalid?

They argue that Alexandropol was signed under military pressure and that the Soviet republics at Kars were controlled by Moscow, so Armenia's consent was not free. Ankara replies that Kars was signed by Armenia, Azerbaijan and Georgia alongside Russia and ratified in 1922. It also cites the stability rule for boundary treaties in the Vienna Convention and ICJ case law.

Did Armenia accept the existing border with Türkiye?

The 2009 Zurich Protocols contained mutual recognition of the existing border as defined by relevant treaties of international law, but they were never ratified or brought into force. Armenian governments have generally said they have no territorial claims on Türkiye. Since 14 January 2022 the two sides' Special Representatives have held normalization talks.

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Regional File Editorial Team. (2026). “Is the Treaty of Sèvres Still Valid? Reading the Chain from Alexandropol to Lausanne.” Regional File (regionalfile.com). Published October 27, 2026. Retrieved from https://regionalfile.com/treaty-of-sevres-valid-alexandropol-moscow-kars-lausanne