The dated span most often used to place the modern conflict’s origins runs 66 years, from 1882 to 1948. The history honors study The Roots of the Israeli-Palestinian Conflict: 1882-1914, published through Illinois Wesleyan University, sets the opening of the formative period at the First Aliyah of 1882; the US Department of State’s Office of the Historian dates the transition to interstate war to Israel’s declaration of 14 May 1948. Inside that span sit four documents a reader can check in full: a 67-word British promise issued in 1917, a League of Nations instrument confirmed in 1922, a British royal commission that reported in 1937 that the two obligations it was auditing could not both be met, and a partition resolution adopted in 1947. The scholars who work on the period do not agree on which of them is the origin.
Key Findings
- The Illinois Wesleyan honors study The Roots of the Israeli-Palestinian Conflict: 1882-1914 dates the formative period to the First Aliyah of 1882, 35 years before the Balfour Declaration of 2 November 1917.
- The Mandate for Palestine was confirmed by the Council of the League of Nations on 24 July 1922 and entered into force on 29 September 1923; the US Department of State’s Office of the Historian records British administration running until 15 May 1948.
- Israel’s Central Bureau of Statistics records 449,000 Jews living in the area in 1939 and 650,000 in 1948, a rise of about 45% across nine years.
- The Palestine Royal Commission, reporting in July 1937, concluded that Britain’s obligations to the two communities were irreconcilable and recommended partition, the first official partition proposal on the record.
- Reuters records United Nations General Assembly Resolution 181 of 1947 allocating 56% of the territory to the Jewish state; the Office of the Historian records Palestinian Arab and Arab League rejection on the ground that the allocation was unfair given population shares.
- Morris (2004) puts the 1948 displacement at roughly 700,000 people; the peer-reviewed Israel Law Review article 1948 Refugees records about 400 Palestinian towns and villages destroyed and about 80% of the residents of the areas on which the state was established expelled or in flight.
Which dated events do historians place at the origin?
The Illinois Wesleyan honors study The Roots of the Israeli-Palestinian Conflict: 1882-1914 dates the modern conflict’s formative period to the First Aliyah of 1882 and the roughly four decades of land purchase, settlement and labour disputes that followed. The Office of the Historian at the US Department of State dates the transition to interstate war to Israel’s declaration of 14 May 1948, 66 years later.
Between those bookends, the founding document of the Israeli state supplies its own chain of dates. The Declaration of the Establishment of the State of Israel, issued by the Provisional Government on 14 May 1948, names in its recitals the First Zionist Congress convened by Theodor Herzl in 1897, the Balfour Declaration of 2 November 1917, the League of Nations Mandate, and the United Nations General Assembly resolution of 29 November 1947, which it calls a recognition that “is irrevocable.” That is the founding text’s account of its own lineage, not an independent historical finding, and it is checkable line by line.
Demographic scholarship reads the same span differently. Fargues (2000), in Population and Development Review, traces Israeli and Palestinian fertility across the twentieth century and finds that fertility on both sides tracks the course of national conflict and pronatal sentiment rather than a smooth modernization curve, with childbearing framed as national strength by Palestinians and Israelis alike. On that reading the origins are not confined to a document at all; they run through the population itself. The land and labour disputes of the pre-1914 decades that the Illinois Wesleyan study documents are examined further in the Institute’s report on early Zionist and Palestinian contact.
Did the conflict begin with the Balfour Declaration?
It is often said that the conflict begins with the Balfour Declaration. The declaration is dated 2 November 1917, 35 years after the 1882 opening of the formative period the Illinois Wesleyan honors study dates the conflict to, and the study documents Jewish agricultural settlement, land purchase and Ottoman-era land disputes running through those 35 intervening years.
The declaration is short enough to read whole. It is a single sentence of 67 words, issued by the British Foreign Office over the signature of Foreign Secretary Arthur Balfour, stating that “His Majesty’s Government view with favour the establishment in Palestine of a national home for the Jewish people, and will use their best endeavours to facilitate the achievement of this object,” with the proviso “that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities in Palestine, or the rights and political status enjoyed by Jews in any other country.”
Two features of the text are facts about the text rather than judgments of it. The first is asymmetry of terms: the Jewish population is named as a people with a national home, while the remaining population appears as “existing non-Jewish communities” whose civil and religious rights are safeguarded, with no political or national status named. The second is that the safeguard clause is a proviso attached to a policy commitment, not an independent grant.
The declaration’s accelerant role is not in dispute among the sources that carry the periodization: it is the point at which a European great power attached its policy to the outcome, and it is the clause that the Mandate instrument would incorporate five years later. What the dated record does not support is treating 1917 as the beginning. The Israeli founding text of 1948 itself lists the declaration as the second link in a chain whose first link it dates to 1897, and the Illinois Wesleyan study dates the on-the-ground dispute earlier still.
How did Britain come to govern Palestine?
The Mandate for Palestine was confirmed by the Council of the League of Nations on 24 July 1922 and entered into force on 29 September 1923, following the collapse of the Ottoman Empire after the First World War. The US Department of State’s Office of the Historian records British administration of the territory continuing until 15 May 1948, a span of 25 years and 10 months from confirmation to termination.
The instrument is the load-bearing document, because it converted a policy statement into an international legal obligation. The mandate’s preamble recites the Balfour language, and Article 2 places the Mandatory under responsibility for placing the country under such political, administrative and economic conditions as will secure the establishment of the Jewish national home, alongside the development of self-governing institutions and the safeguarding of the civil and religious rights of all the inhabitants of Palestine irrespective of race and religion. The two duties sit in the same article.
That pairing is what later official reviews would test. The mandate system as a whole was a League of Nations construction, so the governing authority in Palestine between 1923 and 1948 derived from an intergovernmental instrument rather than from conquest alone or from a treaty with the governed population, and no census or plebiscite of the territory’s residents preceded its confirmation.
Israel’s 1948 founding declaration recites the Mandate as part of its own lineage, describing international recognition of the historical connection between the Jewish people and the land. That is the founding text’s reading of the instrument, attributable to it and dated to 14 May 1948, and it sits beside the instrument’s own text, which any reader can compare.
How did the two populations change under the Mandate?
Israel’s Central Bureau of Statistics, in its Holocaust Day release of 2025, records 449,000 Jews living in the area in 1939 and 650,000 in 1948, a rise of about 45% across those nine years.
The same release places those counts against a world Jewish population of 16.6 million in 1939, of which the 449,000 was 3%, and 11.5 million in 1948, of which the 650,000 was 6%.
The two shares move for two different reasons. The numerator grew by immigration and natural increase; the denominator fell because of the Holocaust. Read together, they record a population that roughly doubled its share of world Jewry inside a decade without any single year of that decade being ordinary.
On the other side of the ledger, the record is thinner, and the thinness is itself documented. The Palestinian Central Bureau of Statistics conducted its first census in 1997, its second in 2007 and its third in 2017, and the bureau itself was established after the Oslo Accords. Palestinian population figures for years before 1997 have no census basis: they are modeled or back-estimated, as the World Bank notes in flagging that Palestinian values in its own series before 1997 are modeled. So a Mandate-era Arab population figure and a Mandate-era Jewish population figure are not the same kind of number, and setting them in one ratio without saying so overstates what the record holds.
What can be stated on both sides is the direction and the sourcing: the Jewish population count for the territory comes from Israel’s own national statistics bureau, compiled retrospectively, and the corresponding Arab population figures for the same years come from British Mandate administrative enumeration rather than from any Palestinian statistical authority, which did not then exist. The land transactions underlying the same period are examined in the Institute’s report on who owned the land of Palestine.
What did Britain’s own commission conclude in 1937?
The Palestine Royal Commission, chaired by Lord Peel and reporting in July 1937, concluded that the two obligations Britain had assumed under the Mandate could not both be discharged, and recommended partition of the territory into a Jewish state, an Arab state, and a corridor retained under British administration including Jerusalem and access to the sea. It is the first official partition proposal on the record, produced ten years before the United Nations plan.
The commission was appointed after the outbreak of the Arab revolt of 1936, and reported during it. That sequence matters for what the document is: a government-commissioned review of a governing authority’s own failure, written under conditions of active insurrection, by a body the same government appointed. Its finding was not that one community had obstructed the other. It was that the instrument itself contained a contradiction, the two duties Article 2 placed side by side, and that continued administration of both was not possible.
The recommendation was not implemented. What survives is the analytical conclusion, and it is the earliest official statement that the arrangement in force had no settlement inside its own terms. Every partition proposal that follows, including the 1947 resolution, restates the same premise: that the territory would be divided because the alternative had been assessed and found unworkable by the authority responsible for it.
A commissioned review sits in a different evidence tier from a scholarly interpretation or an organizational tally. It is an official record produced by the governing power about its own mandate, published under its own imprint, and available in full. Its conclusion can be quoted against the government that commissioned it, which is the property that makes it useful and the reason it belongs on the page in any account of the period between the Mandate’s confirmation and the war.
How did each side answer the 1947 partition proposal?
The United Nations General Assembly adopted Resolution 181 on 29 November 1947. Reuters records the plan allocating 56% of the territory to the Jewish state, and records the Jewish leadership accepting it; the US Department of State’s Office of the Historian records Palestinian Arab and Arab League rejection, on the ground that the arrangement was unfair given the population shares of the time.
The acceptance and the rejection are usually stated together as a matched pair, and each rests on a different kind of record. The Jewish leadership’s acceptance is recorded in the founding instrument that followed: the Declaration of the Establishment of the State of Israel, issued on 14 May 1948, cites the General Assembly resolution directly and calls the recognition it conferred “irrevocable.” The Arab rejection is recorded in contemporaneous League statements and is carried by the Office of the Historian in those terms.
The declaration also states what the new state undertook toward the population inside it. It appeals “to the Arab inhabitants of the State of Israel to preserve peace and participate in the upbuilding of the State on the basis of full and equal citizenship and due representation in all its provisional and permanent institutions.” One caution attaches to quoting it: the Knesset and the Ministry of Foreign Affairs publish English texts that differ on a single word in the equality clause, the Knesset rendering it as complete equality of rights to all its “citizens” and the Ministry as to all its “inhabitants.” Both are Israeli government publications translating the same Hebrew original, so the text being quoted has to be named.
The Office of the Historian records that war followed the declaration immediately, and that British administration terminated on 15 May 1948. From that date the dispute changes category: from a contest over the terms of an administered territory to a war between a declared state and neighbouring states, with the resident Arab population inside the fighting rather than a party to it.
Where do historians disagree about the conflict’s starting point?
Morris (2004), in the archival history The Birth of the Palestinian Refugee Problem Revisited, puts the 1948 displacement at roughly 700,000 people and attributes it to multiple causes varying by locality and by phase of the war, including military attack, fear of attack, expulsions in certain sectors, and flight. Morris explicitly rejects both a single master expulsion plan and the claim that the departures were voluntary.
Pappé (2006), in The Ethnic Cleansing of Palestine, argues the opposite of Morris on intent: that the displacement was the execution of a plan, and that the determinative process therefore predates the war. On that reading the origin of the conflict is not the collision of two national movements in 1947 and 1948 but a settler-colonial project whose logic was fixed earlier. Morris and Pappé worked substantially the same archives and reached different conclusions about design, and the disagreement between them is live rather than resolved.
A third position moves the question earlier still without making a claim about intent. The Illinois Wesleyan honors study locates the formative dispute in the land and labour economy of 1882 to 1914, before the Balfour Declaration, before the Mandate and before any partition proposal existed to accept or reject.
The peer-reviewed Israel Law Review article 1948 Refugees records about 400 Palestinian towns and villages destroyed in the course of the military operations of the period, and that about 80% of the residents of the Palestinian areas on which the State of Israel was established were expelled or fled. That figure and Morris’s roughly 700,000 measure different quantities, one a share of the residents of a defined set of areas and one an absolute count of displaced persons, and they are not interchangeable. What each side of the historiographical dispute contests is not the scale but the causation. The causation question is treated separately in the Institute’s report on what caused the displacement of Palestinians in 1948.
How does the origin story appear in measured online discourse?
Becker, Ascone and Troschke (2022), writing in the peer-reviewed Humanities and Social Sciences Communications, found that 26.9% of the 1,504 UK Facebook comments they coded were antisemitic under an IHRA-based scheme, during the May 2021 escalation on the pages of leading British, French and German media outlets.
The same study coded 4,500 comments in total across the three countries, finding 12.6% of 1,500 French comments and 13.6% of 1,520 German comments antisemitic by the same measure.
The internal breakdown is where the origin story surfaces. Of the UK comments coded antisemitic, 7.7% denied Jewish self-determination and 5.2% used an apartheid analogy, both shares of the antisemitic subset rather than of the full sample. The authors also report that thread context was needed to infer the antisemitic meaning in 38.7% of the UK antisemitic comments, so a keyword read of the same corpus would have registered a lower figure.
Two further peer-reviewed studies measure how conflict discourse relates to attitudes, and both are correlational. Ozer, Obaidi and Bergh (2025), in the International Journal of Intercultural Relations, ran two British experiments (N = 354 and N = 490) priming participants with war-in-Gaza material, and found political orientation associated with anti-Jewish hostility through social dominance orientation, alongside a separate identity-based pathway in which conservative orientation was negatively associated with antisemitism through out-group identity fusion with the Palestinian people. Huesmann and colleagues (2012), surveying 89 Jewish American and 180 Arab American high-school students, found that total media exposure to the conflict did not directly predict ethnic stereotypes; the association ran through identification with the groups as portrayed.
Read together, these are measurements of how the conflict is discussed and how discussion relates to attitude, not measurements of the history itself. None of them adjudicates a dated claim about 1882, 1917 or 1948, and none should be read as doing so.
Methodology and limitations
This report assembles the origins question from four source types, each labelled where cited. Primary and official records: the Balfour Declaration of 2 November 1917, the Mandate for Palestine confirmed by the League of Nations Council on 24 July 1922, the Palestine Royal Commission report of July 1937, United Nations General Assembly Resolution 181 of 29 November 1947, the Declaration of the Establishment of the State of Israel of 14 May 1948, the Holocaust Day release of Israel’s Central Bureau of Statistics (2025), the Palestinian Central Bureau of Statistics census series, and the US Department of State’s Office of the Historian. Peer-reviewed research: Fargues (2000), Huesmann and colleagues (2012), Becker, Ascone and Troschke (2022), Ozer, Obaidi and Bergh (2025), and the Israel Law Review article 1948 Refugees. Scholarly books: Morris (2004) and Pappé (2006), which are interpretive archival history, not measurement. Academic thesis: the Illinois Wesleyan University honors study covering 1882 to 1914, an undergraduate honors project rather than a peer-reviewed article. Press: the Reuters explainer carrying the 56% territorial allocation.
Three limitations bear on the figures. First, no Palestinian census exists before 1997, so any Mandate-era Arab population figure is a British administrative enumeration or a modeled back-estimate, and it is not the same kind of evidence as a retrospective national-statistics compilation. Second, the 1948 displacement figures measure different quantities: Morris’s roughly 700,000 is an absolute count of displaced persons and the Israel Law Review’s 80% is a share of the residents of a defined set of areas, and the two do not combine. Third, the historiographical dispute over intent between Morris (2004) and Pappé (2006) is open in the literature and is reported here as a named disagreement with both positions dated.
The final section measures discourse rather than history. Where a study reports how the conflict’s origins are discussed, or how discussion relates to measured attitudes, the association is reported in the authors’ own correlational terms, with sample sizes carried into the prose.
Conclusion
So where do the origins sit? The dated record puts them across a 66-year span rather than at a point: the Illinois Wesleyan study’s 1882, the 67 words of 1917, the Mandate instrument of 1922 with its two duties in one article, the 1937 commission finding those duties irreconcilable, the 56% allocation of 1947, and the declaration of 14 May 1948 that named itself the fourth link in a chain it dated to 1897.
What the documents establish together is more assertive than any one of them alone. Britain’s own royal commission concluded a decade before the war that the arrangement it administered had no settlement within its own terms. Israel’s Central Bureau of Statistics records a Jewish population in the area rising from 449,000 to 650,000 across the nine years to 1948. The peer-reviewed 1948 Refugees records about 400 towns and villages destroyed and about 80% of the residents of the affected areas expelled or in flight, and Morris (2004) puts the displaced at roughly 700,000 while rejecting both a master plan and voluntary departure, a position Pappé (2006) contests directly. The scale is documented on both sides; the design is not settled.
That unsettled part is what travels. In the Facebook comment corpora Becker, Ascone and Troschke coded in 2021, 26.9% of the 1,504 British comments were antisemitic, and within that subset a measurable slice ran through the origin story itself: denial of Jewish self-determination, the apartheid analogy, meanings that in 38.7% of cases could only be read from the thread around them. A history whose central disagreement is about intent is a history that arrives in a comment field as a verdict about character.
Which raises the question this report can pose but not settle: when a contested origin is compressed into a single sentence and shared, does the compression become one of the inputs that fuels hostility toward Jews, and does putting the dated instruments back on the page change what that sentence can carry?
Frequently Asked Questions
What does the First Aliyah refer to, and why does it anchor the dating?
The First Aliyah names the wave of Jewish immigration to Ottoman Palestine beginning in 1882, and the Illinois Wesleyan honors study The Roots of the Israeli-Palestinian Conflict: 1882-1914 uses it to open the formative period because it marks the start of sustained agricultural settlement, land purchase and the labour disputes attached to them. The dating places the on-the-ground dispute 35 years before the Balfour Declaration of 1917.
Did any official partition proposal precede United Nations General Assembly Resolution 181 of 1947?
Yes. The Palestine Royal Commission recommended partition in July 1937, ten years earlier, into a Jewish state, an Arab state and a British-retained corridor. It was not implemented, and its analytical conclusion, that Britain’s two Mandate obligations were irreconcilable, is what carried forward.
Why do Palestinian population figures before 1997 carry a caveat?
The Palestinian Central Bureau of Statistics conducted its first census in 1997, its second in 2007 and its third in 2017, and was itself established after the Oslo Accords. Figures for earlier years have no census basis in that series and are modeled or back-estimated, which the World Bank also notes for its own pre-1997 Palestinian values.
How did the world Jewish population change between 1939 and 1948?
Israel’s Central Bureau of Statistics records 16.6 million in 1939 and 11.5 million in 1948. Against those totals, the 449,000 living in the area in 1939 was 3% of world Jewry and the 650,000 in 1948 was 6%.
Which English text of Israel’s 1948 declaration should be quoted?
Both are Israeli government publications and they differ on one word. The Knesset publishes the equality clause as complete equality of social and political rights to all the state’s “citizens”; the Ministry of Foreign Affairs publishes the same sentence with “inhabitants.” The Hebrew is the original, so the text being quoted has to be named at first use.
What did Israel’s founding declaration cite as its own historical chain?
Its recitals name the First Zionist Congress convened by Theodor Herzl in 1897, the Balfour Declaration of 2 November 1917, the League of Nations Mandate, and the United Nations General Assembly resolution of 29 November 1947, which it describes as an irrevocable recognition. Those are the founding text’s own assertions about its lineage.
How do researchers measure antisemitic content in comment sections?
Becker, Ascone and Troschke (2022) coded 4,500 comments, 1,500 per language, against an IHRA-based scheme rather than by keyword, and reported that in 38.7% of the British comments coded antisemitic the meaning could only be inferred from the surrounding thread. That design choice is why their measured shares exceed what keyword filtering on the same corpus would return.
Sources
- Balfour, A. J. (British Foreign Office), 1917. Declaration on a national home for the Jewish people in Palestine, 2 November 1917. Official record (primary instrument).
- Becker, M. J., Ascone, L., and Troschke, H., 2022. Antisemitic comments on Facebook pages of leading British, French, and German media outlets. Humanities and Social Sciences Communications. DOI 10.1057/s41599-022-01337-8. Peer-reviewed.
- Fargues, P., 2000. Protracted National Conflict and Fertility Change: Palestinians and Israelis in the Twentieth Century. Population and Development Review, 26(3), pp. 441 to 482. DOI 10.1111/j.1728-4457.2000.00441.x. Peer-reviewed.
- Huesmann, L. R., Dubow, E. F., Boxer, P., Souweidane, V., and Ginges, J., 2012. Foreign Wars and Domestic Prejudice. Journal of Research on Adolescence. DOI 10.1111/j.1532-7795.2012.00785.x. Peer-reviewed.
- Illinois Wesleyan University, no date. The Roots of the Israeli-Palestinian Conflict: 1882-1914. History honors project, Illinois Wesleyan University Digital Commons. https://digitalcommons.iwu.edu/cgi/viewcontent.cgi?article=1026&context=history_honproj. Academic thesis, not peer-reviewed.
- Israel Central Bureau of Statistics, 2025. On the Occasion of Holocaust Day, 2025. Media release 124/2025. https://www.cbs.gov.il/he/mediarelease/DocLib/2025/124/11_25_124e.pdf. Official record (national statistics bureau).
- Israel Law Review, no date. 1948 Refugees. Cambridge University Press. https://www.cambridge.org/core/journals/israel-law-review/article/1948-refugees/1E997E364691F4379C6F77EC05BC84AD. Peer-reviewed.
- League of Nations, 1922. Mandate for Palestine, confirmed by the Council of the League of Nations, 24 July 1922; entered into force 29 September 1923. Official record (international instrument).
- Morris, B., 2004. The Birth of the Palestinian Refugee Problem Revisited, 2nd edition. Cambridge University Press. ISBN 978-0521009676. Scholarly book (archival history).
- Ozer, S., Obaidi, M., and Bergh, R., 2025. The Impact of Globalized Conflicts: Examining Attitudes Toward Jews Among Britons in the Political Context of the War in Gaza. International Journal of Intercultural Relations, 107. DOI 10.1016/j.ijintrel.2025.102184. Peer-reviewed.
- Palestine Royal Commission, 1937. Report of the Palestine Royal Commission (the Peel Commission), July 1937. His Majesty’s Stationery Office. Official record (government-commissioned review).
- Palestinian Central Bureau of Statistics, 2018. Population, Housing and Establishments Census 2017, final results. Ramallah. pcbs.gov.ps. Official record (national census).
- Pappé, I., 2006. The Ethnic Cleansing of Palestine. Oneworld Publications. Scholarly book.
- Provisional Government of Israel, 1948. Declaration of the Establishment of the State of Israel, Official Gazette Number 1, 14 May 1948. Knesset English text: https://main.knesset.gov.il/en/about/pages/declaration.aspx. Official record (founding instrument).
- Reuters, 2024. What’s the Israel-Palestinian conflict about and how did it start? https://www.reuters.com/world/middle-east/whats-israel-palestinian-conflict-about-how-did-it-start-2024-01-14/. Press.
- United Nations General Assembly, 1947. Resolution 181 (II), adopted 29 November 1947. Official record (adopted resolution).
- US Department of State, Office of the Historian. Milestones: The Arab-Israeli War of 1948. https://history.state.gov/milestones/1945-1952/arab-israeli-war. Official record.