Sykes–Picot and the Carving of the Middle East

Britain and France negotiated while fighting the Ottoman Empire in the First World War. The agreement placed coastal Syria and Lebanon under prospective French control; southern Mesopotamia around Basra and Baghdad under British control; inland Arab territories in French and British spheres; and Palestine under a proposed international administration. Russia assented after securing Allied promises concerning Constantinople and Ottoman Armenian provinces; Italy was informed and accommodated in 1917.

“I should like to draw a line from the ‘e’ in Acre to the last ‘k’ in Kirkuk.” — Sir Mark Sykes, account of an informal explanation to Prime Minister H. H. Asquith, 1915, recorded in The Caliphs’ Last Heritage

The Bolsheviks exposed the text after Russia’s November 1917 revolution; Izvestia and Pravda published it on 23 November 1917, and the Manchester Guardian followed on 26 November 1917. Disclosure revealed the gap between secret imperial planning and Britain’s 1915–1916 Hussein–McMahon correspondence with Sharif Hussein of Mecca.

Date	Instrument or event	Concrete effect
14 July 1915–10 March 1916	Hussein–McMahon correspondence	10 letters exchanged over an Arab revolt and prospective independence, with disputed territorial exclusions
16 May 1916	Sykes–Picot Agreement	Created 5 projected zones: 2 of direct control, 2 spheres of influence and 1 international zone
2 November 1917	Balfour Declaration	British government supported a Jewish “national home” in Palestine
23–26 November 1917	Agreement published	Soviet newspapers and then the Manchester Guardian exposed the secret partition
19–26 April 1920	San Remo Conference	Britain received mandates for Palestine and Mesopotamia; France received Syria and Lebanon
24 July 1922	League mandates approved	Internationalized British and French rule under the mandate system

Sykes–Picot was a blueprint, not a self-executing map. Allied armies supplied coercive power. General Edmund Allenby entered Jerusalem on 11 December 1917; British forces occupied Baghdad on 11 March 1917 and Damascus on 1 October 1918. France then removed the Arab government proclaimed under Faisal: General Henri Gouraud’s forces defeated Yusuf al-Azma’s army at Maysalun on 24 July 1920 and entered Damascus.

The League of Nations described mandates as a “sacred trust of civilisation,” but Britain and France controlled foreign affairs, armed forces, taxation and concessions. France separated Greater Lebanon from Syria on 1 September 1920. Britain constructed the Kingdom of Iraq in 1921 from the former Ottoman provinces of Basra, Baghdad and Mosul, and recognized the Emirate of Transjordan under Abdullah in 1921. The Palestine Mandate took effect on 29 September 1923.

The wider process belongs within the archive’s histories of colonial rule, documented mass violence and comparative historical data.

No defensible death toll can be assigned to the 1916 agreement alone. Violence arose from conquest, mandate repression and struggles over the states imposed afterward. Estimates vary because colonial records often counted combatants selectively and minimized civilian deaths.

Event	Year(s)	Deaths or casualties	Source or basis
Iraqi Revolt	1920	About 6,000–10,000 Iraqis killed; 426 British and Indian troops killed	Lower figure commonly cited from British-era accounting; upper estimate used by modern historians including Charles Tripp
Battle of Maysalun	1920	About 400 Syrian defenders killed; French accounts reported 42 killed	Contemporary military figures, repeated by Philip S. Khoury and later historians
Great Syrian Revolt	1925–1927	Roughly 6,000–10,000 Syrians killed	Range synthesized in modern scholarship, including Michael Provence and Philip S. Khoury
Damascus bombardment	18–20 October 1925	Approximately 500–1,500 residents killed	Contemporary diplomatic and press estimates; exact count remains disputed

British authorities spent approximately £40 million suppressing Iraq’s 1920 revolt, according to contemporary parliamentary and colonial accounting summarized by historian Charles Tripp. That cost helped push London toward indirect monarchy and aerial policing rather than immediate withdrawal.

Key facts

• The agreement was concluded on 16 May 1916 and remained secret until Soviet publication in November 1917.
• It allocated zones without consulting the Arab, Kurdish, Armenian, Assyrian, Jewish and other populations living within them.
• Britain and France converted wartime occupation into 3 principal League mandates approved in 1922: Palestine, Mesopotamia and Syria-Lebanon.
• The resulting order produced no independent Kurdish state, despite conditional provisions discussed in the 1920 Treaty of Sèvres.
• Colonial repression caused deaths in the thousands, but no credible single casualty total covers the entire partition process.

Britain secured the route toward India, strategic depth around the Suez Canal and access to Iraqi oil. France gained political and commercial predominance in Syria and Lebanon. Local monarchies headed by Hashemite allies obtained thrones, but remained constrained by treaties, advisers and military dependence.

Oil sharpened the settlement. The Turkish Petroleum Company received an Ottoman concession in 1914, discovered oil at Baba Gurgur near Kirkuk on 14 October 1927 and became the Iraq Petroleum Company in 1929. Under the 31 July 1928 Red Line Agreement, ownership was divided among the Anglo-Persian Oil Company, Royal Dutch/Shell, Compagnie Française des Pétroles and the Near East Development Corporation, each with 23.75%; Calouste Gulbenkian held 5%.

Beneficiary	Year	Quantified share or advantage
Britain	1920	2 mandates assigned at San Remo: Mesopotamia and Palestine
France	1920	1 mandate covering Syria and Lebanon
Four corporate groups	1928	23.75% of Iraq Petroleum Company each
Calouste Gulbenkian	1928	5% of Iraq Petroleum Company
Iraq Petroleum Company	1934	Kirkuk–Haifa and Kirkuk–Tripoli pipelines opened, about 942 km and 856 km respectively

The beneficiaries were therefore not abstract “Western powers” alone. They included named governments, oil corporations, banks, concession-holders and monarchies built into an imperial security system.

Resistance began before the mandates were legally approved. Iraq’s 1920 revolt united, unevenly, Shi'a clerics, Sunni officers and tribal forces. France crushed the Great Syrian Revolt of 1925–1927 with artillery, armored vehicles and aerial bombing. Palestinians mounted strikes and armed resistance against British rule and mass Zionist immigration during the 1936–1939 Arab Revolt.

1. In 1920, rebels disrupted British administration across the middle Euphrates before imperial reinforcements restored control.
2. In 1925, Druze forces under Sultan al-Atrash ignited a revolt that spread to Damascus and other Syrian regions.
3. In 1936, Palestinians began a general strike lasting 6 months, from April to October, followed by armed insurgency through 1939.
4. By 1939, British repression had killed roughly 2,000–5,000 Palestinian Arabs, according to ranges used by historians including Matthew Hughes; thousands more were imprisoned, wounded or exiled.

The mandate system replaced openly annexationist language with international supervision, but coercive sovereignty remained in British and French hands.

Formal independence came unevenly: Iraq entered the League of Nations on 3 October 1932, Lebanon became independent in 1943, Syria secured evacuation of the last French troops on 17 April 1946, and Britain terminated the Palestine Mandate on 14 May 1948. Independence did not erase borders, concessions or militarized institutions inherited from mandate rule.

British and French official narratives long represented mandates as tutelage toward self-government. That language obscured secret bargaining, racial hierarchy, bombardment and resource control. Conversely, attributing every current conflict to Sykes–Picot turns a complex history into a single conspiracy and can erase later actors’ responsibility.

The agreement’s continuing importance is structural and symbolic. It demonstrates how external powers negotiated sovereignty without popular consent; how Kurdish-majority regions were divided among Turkey, Iraq, Syria and Iran; and how incompatible British commitments intensified conflict in Palestine. The Islamic State invoked “the end of Sykes–Picot” when it demolished an Iraq–Syria border berm in June 2014, but its propaganda misstated the border’s origin: that boundary emerged from postwar mandate arrangements, not directly from the 1916 map.

Sykes–Picot matters now not because every frontier follows its lines, but because institutions formed under partition survived: centralized security states, minority management, disputed territories and economies organized around concessions and export corridors. Understanding those continuities does not deny local agency. It identifies the unequal framework within which later governments, movements and foreign powers acted.

• The Sykes–Picot Agreement text, Avalon Project, Yale Law School
• Encyclopaedia Britannica: Sykes–Picot Agreement
• International Encyclopedia of the First World War: Sykes–Picot Agreement
• United Nations: The Mandate System
• Library of Congress: The Middle East and the Making of the Modern World
• Michael Provence, The Great Syrian Revolt and the Rise of Arab Nationalism