The Treaty of Sèvres Was Never Ratified: Why the 1920 Draft Has No Legal Force

Why It Matters

The Treaty of Sèvres, signed on 10 August 1920, never entered into force. The Ottoman ratification was never completed, the nationalist government in Ankara refused to recognize it, and the Allied powers themselves negotiated a different settlement at Lausanne in 1923. Understanding this matters because the 1920 draft is still cited in political arguments about borders and minorities, even though it has no standing in international law.

Background

What the Sèvres text contained

Sèvres was a peace treaty between the Allied and Associated Powers and the Ottoman government in Istanbul under Sultan Mehmed VI. It was signed at the Manufacture nationale de Sèvres near Paris. Signatories on the Allied side included the British Empire, France, Italy, Japan, Greece, Armenia, Belgium, Poland, Portugal, Romania, Czechoslovakia, the Hejaz and the Kingdom of Serbs, Croats and Slovenes. The United States did not sign.

Its main provisions were:

• Straits: an international commission would control the Straits and the zone around them (Articles 37–61).
• Smyrna (İzmir): Greek administration of the Smyrna zone, with a possible plebiscite after five years (Articles 65–83).
• Kurdistan: a scheme of local autonomy in the east, with a possible later path to independence (Articles 62–64).
• Armenia: Ottoman recognition of Armenia as a free and independent state (Article 88), with the boundary in the vilayets of Erzurum, Trebizond, Van and Bitlis to be fixed by arbitration by the President of the United States (Article 89).
• Sovereignty limits: financial and military controls, and the continuation of capitulations.

Why it was never ratified

A treaty that provides for ratification binds a state only once ratification is completed. This is the rule codified in Article 14 of the 1969 Vienna Convention on the Law of Treaties, which reflects long-standing customary practice. Sèvres never met that condition, for several reasons:

• The Allies occupied Istanbul on 16 March 1920, and the Ottoman Chamber of Deputies was dissolved in April 1920.
• The Grand National Assembly (TBMM) opened in Ankara on 23 April 1920 and rejected the authority of the Istanbul government to bind the nation. It had already adopted the National Pact (Misak-ı Millî), whose adoption by the last Ottoman Chamber was announced in early 1920.
• Armed resistance in Anatolia, and later diplomacy, made the text unenforceable. France and Italy concluded separate arrangements with Ankara, such as the Franklin-Bouillon Agreement of 20 October 1921.
• The Ottoman sultanate was abolished on 1 November 1922, which removed the signatory government itself.

The Allies and Ankara therefore had to negotiate a new treaty, and Sèvres was never put into effect.

The treaties that replaced it

Four instruments built the territorial and legal order that exists today:

• Alexandropol (2–3 December 1920): concluded between the Ankara government and the Republic of Armenia after the autumn 1920 campaign in the east. Its text included Armenian renunciation of Sèvres.
• Moscow (16 March 1921): concluded between the Ankara government and Soviet Russia, fixing the north-eastern frontier.
• Kars (13 October 1921): concluded between the TBMM government and Soviet Armenia, Azerbaijan and Georgia, with Russia participating. It confirmed the Moscow frontier line, and ratifications were exchanged in Yerevan on 11 September 1922.
• Lausanne (24 July 1923): signed by Britain, France, Italy, Japan, Greece, Romania, the Kingdom of Serbs, Croats and Slovenes and Türkiye, and in force from 6 August 1924. It sets Türkiye's frontiers (Articles 2–3) and protects non-Muslim minorities (Articles 37–45). The eastern frontier with Armenia had already been settled at Kars.

Timeline

Date	Event	Legal significance
30 Oct 1918	Armistice of Mudros	Ends Ottoman fighting in the First World War
16 Mar 1920	Allied occupation of Istanbul	Ottoman parliament dissolved the following month
23 Apr 1920	TBMM opens in Ankara	A rival national authority rejects Istanbul's capacity to bind the nation
10 Aug 1920	Sèvres signed	Not ratified; never in force
22 Nov 1920	Wilson's arbitral award on Armenia's boundary	Issued under the arbitration role foreseen in Sèvres Article 89; never implemented
2–3 Dec 1920	Alexandropol	Armenian renunciation of Sèvres; superseded by Kars
16 Mar 1921	Moscow	Fixes the north-eastern frontier
13 Oct 1921	Kars	Confirms the frontier; ratified in 1922
24 Jul 1923	Lausanne signed	Replaces Sèvres as the peace settlement
6 Aug 1924	Lausanne enters into force	Binding treaty order begins

How the draft is still invoked

The Sèvres text appears in modern debate in three ways. Some diaspora and advocacy publications use it as evidence of an unfulfilled international promise to Armenians. Some Kurdish political writers cite Articles 62–64 as the first international reference to Kurdish autonomy. In Türkiye, commentators speak of a ‘Sèvres syndrome’, the fear that outside powers seek to partition the country. None of these uses changes the draft's legal status.

Key Players & Positions

The Allied powers

The Allied governments signed Sèvres in 1920, but by 1923 they had agreed to a settlement with the Ankara government. That settlement is Lausanne, whose text replaced the Sèvres regime on the Straits, the frontiers, the capitulations and minorities.

Armenia and diaspora organizations

Armenia's official position, as stated by its government in the normalization process, is to seek relations with Türkiye ‘without preconditions’. Since 14 January 2022 Special Representatives Ruben Rubinyan (Armenia) and Ambassador Serdar Kılıç (Türkiye) have held direct talks. In the 2009 Zurich Protocols, which were signed but never ratified, both sides confirmed the mutual recognition of the existing border ‘as defined by the relevant treaties of international law’ (Article 2 of the Protocol on the Development of Relations).

Armenia's 1990 Declaration of Independence refers to ‘Western Armenia’ when it speaks of international recognition of the 1915 events. Armenia's Constitutional Court cited the Declaration in its January 2010 opinion on the Zurich Protocols, and Ankara criticized that reasoning as impairing the spirit of the protocols.

Some diaspora advocacy groups and Armenian historians point to Sèvres and to Wilson's 1920 award as evidence of the strength of the Armenian case. They argue that the Alexandropol and Kars treaties were concluded under military or Soviet pressure, and that Armenia was absent from Lausanne. These are arguments about justice and political legitimacy. They are not claims that Sèvres is a treaty in force, and the sources cited here describe the draft as an unfulfilled provision.

Kurdish political writers

Some Kurdish authors point to Articles 62–64 as an early international reference to Kurdish self-government. They acknowledge, as historical accounts do, that the provisions were never implemented.

Türkiye's Legal and Documentary Position

Türkiye's Legal and Documentary Position

• Treaties fix the borders. According to the Turkish Foreign Ministry (MFA), Türkiye's eastern frontier is settled by the Moscow and Kars treaties of 1921, and its overall status rests on Lausanne. Ankara points to Article 2 of the unratified 2009 Zurich Protocol on the development of relations as an Armenian acceptance of mutual recognition of the existing border ‘as defined by the relevant treaties of international law’. Ankara argues that a frontier fixed by treaty has a permanence that political revisionism cannot dislodge. The International Court of Justice stated the same principle in Libya/Chad (1994).
• Sèvres never entered into force. Ankara's position is that the 1920 draft was signed by an Istanbul government under occupation, never ratified, and rejected by the TBMM that represented the nation. It holds that Wilson's November 1920 award, which derived from Article 89 of that unratified text, has no binding effect.
• Lausanne protects minorities on the basis of equal citizenship. The MFA states that the minority regime of Lausanne Articles 37–45 covers non-Muslim communities, and that Article 39 grants non-Muslim Turkish nationals the same civil and political rights as Muslims. Türkiye argues that this is a rights framework based on equal citizenship and not on a separate territorial or political status.
• History belongs to historians. In April 2005 Ankara proposed a Joint Historical Commission of Turkish, Armenian and international historians with access to Ottoman, Armenian and third-country archives. The MFA continues to support normalization without preconditions, as in the talks that began on 14 January 2022.

Sources: Republic of Türkiye Ministry of Foreign Affairs statements and published positions on Türkiye–Armenia relations; texts of the Moscow and Kars treaties; Lausanne Treaty, Articles 2–3 and 37–45.

The wider debate on the Events of 1915 follows different legal criteria and has its own guides. Readers can start with Archives and Memory: How to Research the Events of 1915 in Ottoman and Third-Country Archives and Perinçek v. Switzerland: What the European Court of Human Rights Did and Did Not Decide.

Source Comparison

The comparison below shows how differently the same document is framed, and where the primary texts end the argument.

Question	Common framing in advocacy or media shorthand	Primary-source reading
Was Sèvres a binding treaty?	‘Signed by the Allies and the Ottoman government’	Signed, but ratification was never completed and it never entered into force
Who replaced it?	‘Türkiye overturned it by force’	The Allied signatories themselves concluded Lausanne with Ankara in 1923
Is Wilson's award a legal basis for claims?	‘The US President drew Armenia's border’	The award derived from Article 89 of Sèvres; it was never implemented and has no binding effect in the treaty order of Alexandropol, Moscow, Kars and Lausanne
Were Alexandropol and Kars valid?	‘Imposed under pressure’ (Armenian and diaspora critics)	Kars was ratified in 1922 by all signatories; Armenia and Türkiye reaffirmed recognition of the existing border in the unratified 2009 Zurich Protocols
What is the status of minorities?	‘Lausanne protections were temporary’	Articles 37–45 apply equal rights and protection to non-Muslim minorities; see Fact Check: Did the Treaty of Lausanne Expire in 2023?

The verification method is the same one used across the site: read the treaty clause, the date of signature and the ratification record. The method is explained in Editorial Principles: How Text & Territory Uses and Cites Primary Sources.

Key Terms & Related Guides

• Ratification: the formal act by which a state confirms its consent to be bound by a treaty it has signed. Without it, a treaty that requires ratification does not enter into force.
• Entry into force: the moment a treaty becomes legally binding, usually after the required ratifications are deposited.
• National Pact (Misak-ı Millî): the 1920 declaration of the Ottoman Chamber of Deputies defining the territory and independence that the nationalist movement defended.
• Sèvres syndrome: a Turkish political phrase for the fear that foreign powers will partition Türkiye. It is an interpretive term, not a legal one.
• Wilsonian Armenia: the shorthand for the boundary awarded by US President Woodrow Wilson on 22 November 1920 under Article 89 of Sèvres.

Related reading on this site and in our network:

• The Primary Document Library: Treaties, UN Filings and Archival Records Behind Türkiye's Positions collects the texts cited here.
• Cyprus Papers: The 1959–1960 Founding Documents Read Article by Article applies the same close-reading method to another treaty-based question.
• Region Scope: The Events of 1915: Archives, Legal Framework and the Path to Normalization discusses the wider legal framework and the normalization track.
• The Political Anatomy: Article IV of the 1960 Treaty of Guarantee shows how treaty clauses, not narratives, are tested in another dispute.

Perspective Note

Text & Territory presents Türkiye's official perspective on the issues covered and explicitly distinguishes between that perspective and independent commentary. All claims are anchored in primary sources such as treaty texts, UN documents, archival records and official statements, which are cited so that readers can verify them. — Text & Territory Editorial Team