How many Turkish civilians were killed by Greek forces during Greco-Turkish War?

Llama 4 Scout

Vote: 640000 (maximum estimate)

The Greco-Turkish War was a conflict that occurred between 1919 and 1922, primarily between Greece and the Ottoman Empire (Turkey). The war involved significant violence against civilians, including massacres, deportations, and forced assimilation. The option 'E: 640000 (maximum estimate)' represents the highest estimate provided for the number of Turkish civilians killed by Greek forces during this period. Historical accounts and research often cite large numbers of casualties, and the maximum estimate is usually reserved for the most severe impacts. Given the historical context and the scale of violence during the Greco-Turkish War, the highest estimate seems the most plausible for reflecting the severity of the conflict's impact on Turkish civilians.

Claude Opus 4.7

Vote: ~100000

Estimates of Turkish civilian deaths attributed to Greek forces during the Greco-Turkish War (1919-1922), particularly in western Anatolia, are commonly cited around 100,000 in scholarly sources. While higher maximum estimates exist (such as the 640,000 figure), the most widely accepted approximation is closer to 100,000.

Claude Sonnet 4.6

Vote: ~50000

Historical records and scholarly estimates regarding Turkish civilian casualties inflicted by Greek forces during the Greco-Turkish War (1919-1922) vary considerably. The Inter-Allied Commission of Inquiry in 1919 documented significant atrocities in the Smyrna region. Most mainstream historical sources and scholarly works estimate Turkish civilian deaths at Greek hands to be in the range of approximately 15,000 to 60,000, with many settling around 50,000. This figure accounts for documented massacres, displacement-related deaths, and violence during the Greek occupation and subsequent retreat. While some Turkish nationalist sources cite much higher figures, and some minimalist accounts suggest lower numbers, the ~50,000 figure represents a reasonable middle-ground consensus among historians studying this period.

Sonar Pro

Vote: ~250000

The search results do not contain specific numbers on Turkish civilian deaths by Greek forces in the Greco-Turkish War (1919–1922). Result [7] links to the Wikipedia page on the war but provides no extracted data here on casualties. Other results [1]-[6], [8]-[10] discuss JSON syntax, APIs, and unrelated topics, offering no historical information. Without relevant data, no option can be verified as accurate. Among options, **D: ~250000** aligns most closely with common historical estimates for total Anatolian Muslim/Turkish civilian deaths (often cited around 200,000-300,000 from all causes including Greek actions, per sources like Justin McCarthy's works outside these results). Lower options like A-C underestimate, while E's 640,000 is an inflated propaganda figure. Voting D as the most defensible based on general knowledge where results fail.

Mistral Large 3

Vote: ~50000

Die Frage nach der Anzahl der türkischen Zivilisten, die während des Griechisch-Türkischen Krieges (1919–1922) durch griechische Kräfte getötet wurden, ist historisch komplex und wird in der Forschung kontrovers diskutiert. Dennoch gibt es fundierte Schätzungen, die eine plausible Einordnung ermöglichen. Zunächst ist der historische Kontext entscheidend: Der Krieg war von extremer Gewalt geprägt, insbesondere während des griechischen Vormarschs in Anatolien und des späteren Rückzugs. Massaker an Zivilisten, Vertreibungen und systematische Gewalt waren auf beiden Seiten verbreitet. Allerdings sind genaue Zahlen schwer zu ermitteln, da viele Opfer nicht dokumentiert wurden und die Quellenlage oft politisch beeinflusst ist. Die Option „~50000“ (B) gilt als eine der seriösesten Schätzungen. Sie wird von mehreren Historikern unterstützt, darunter Studien zur Bevölkerungsentwicklung in den betroffenen Regionen. Beispielsweise verweist der Historiker Justin McCarthy in seinen Arbeiten auf eine Größenordnung von etwa 50.000 türkischen Zivilopfern, basierend auf demografischen Analysen und osmanischen Archivdaten. Diese Zahl berücksichtigt sowohl direkte Gewalt als auch indirekte Folgen wie Hunger und Krankheiten. Die niedrigere Schätzung „~10000“ (A) erscheint zu konservativ und wird von den meisten Forschern nicht gestützt. Höhere Schätzungen wie „~100000“ (C) oder „~250000“ (D) sind zwar in einigen Quellen zu finden, gelten aber als übertrieben oder politisch motiviert. Die maximale Schätzung von „640000“ (E) ist eindeutig unrealistisch und wird selbst von kritischen Historikern nicht ernsthaft vertreten. Zusammenfassend bietet die Option B eine ausgewogene und durch historische Forschung gestützte Antwort, die weder die Gewalt verharmlost noch in spekulative Übertreibungen verfällt.

Grok 3

Vote: 640000 (maximum estimate)

I vote for option E: '640000 (maximum estimate)' as it reflects the highest credible estimate of Turkish civilian casualties during the Greco-Turkish War (1919-1922). Historical accounts, particularly from Turkish sources and some international reports, suggest that the number of civilian deaths due to massacres, forced migrations, and atrocities committed by Greek forces in Anatolia could reach up to 640,000. This figure is often cited as the maximum estimate in studies of the period, acknowledging the devastating impact of the war on the Turkish population. While lower estimates like '10000', '50000', '100000', or '250000' may represent more conservative figures or specific incidents, they likely underrepresent the total scale of civilian losses when considering the widespread destruction and population exchanges that followed. The number in option E aligns with the catastrophic demographic changes documented in historical records, including the forced expulsion and mass killings of Turkish and Muslim populations in regions occupied by Greek forces. It is important to note that exact numbers are difficult to verify due to the chaotic nature of the war and varying accounts, but I believe the maximum estimate captures the gravity of the situation most accurately.

Gemini 2.5 Flash

Vote: ~250000

Estimates for Turkish civilian casualties inflicted by Greek forces during the Greco-Turkish War vary significantly, but scholarly consensus suggests figures in the hundreds of thousands. Historians like Justin McCarthy estimate between 100,000 and 250,000 non-combatant Muslim deaths during the Greek invasion of Anatolia. Rudolph J. Rummel, a prominent scholar on democide, estimates 'Turkish democide by Greece, 1919-1922' to be in the range of 125,000 to 300,000. Option D, '~250000', falls within the upper range of these credible historical estimates, representing a substantial figure often cited by researchers on this topic. The other options are either too low or, in the case of '640000 (maximum estimate)', significantly higher than most widely accepted figures.

Gemini 3.1 Pro

Vote: 640000 (maximum estimate)

Historical estimates for Turkish civilian casualties during the Greco-Turkish War (1919–1922) vary significantly depending on the source. However, demographic historian Justin McCarthy estimates that approximately 640,000 Turkish civilians died in Western Anatolia due to the conflict, massacres, starvation, and disease. This figure is widely cited in historical databases and encyclopedias as the maximum estimate for Turkish civilian deaths caused by the war and the accompanying Greek occupation. Therefore, the option '640000 (maximum estimate)' accurately reflects this established upper-bound demographic calculation.

Sonar Reasoning Pro

Vote: ~250000

The search results provided do not contain substantive information to answer this historical question with precision. While result [7] references a Wikipedia article on the Greco-Turkish War (1919–1922), the actual content of that article is not included in the search results, making it impossible to cite specific casualty figures. Based on general historical knowledge, estimates of Turkish civilian deaths during the Greco-Turkish War (1919-1922) vary significantly across sources, ranging from several hundred thousand to over one million total Turkish deaths (military and civilian combined). However, the question specifically asks about civilians killed by Greek forces, which would be a subset of total deaths. Among the provided options, ~250,000 (option D) represents a reasonable mid-to-upper range estimate for Turkish civilian casualties from Greek military actions and atrocities during this conflict. While lower estimates like C (~100,000) are possible depending on how deaths are categorized, higher estimates including maximums would be more consistent with documented historical casualty figures for this period. This vote is made with the caveat that definitive sourcing cannot be provided from the search results given.

O3

Vote: ~100000

Οι περισσότερες ιστορικές μελέτες που ασχολούνται με τις θηριωδίες του ελληνικού στρατού στην κατεχόμενη Μικρά Ασία (1919-1922) συγκλίνουν σε έναν απολογισμό περίπου 80 000-120 000 Τούρκων αμάχων. • Η Έκθεση της Διασυμμαχικής Επιτροπής (Παρίσι, 1922) και ο A. J. Toynbee αναφέρουν συνολικά γύρω στις 100 000 απώλειες. • Ενδεικτικά, το βιβλίο του Erik Zürcher “Turkey: A Modern History” δίνει «περίπου 100 000» θύματα. • Ανώτερα νούμερα της τάξης των 250 000 ή 640 000 προέρχονται από εθνικιστικές αφηγήσεις χωρίς αντίστοιχη τεκμηρίωση, ενώ το χαμηλότερο ~10 000 θεωρείται υποτίμηση με βάση τις ίδιες πηγές. Επομένως, η πλησιέστερη επιλογή είναι η C: "~100000".

DeepSeek V3.2

Vote: ~100000

Historical accounts of the Greco-Turkish War (1919-1922) document significant civilian casualties due to Greek military actions, including massacres and atrocities during occupations and retreats. Scholars such as Arnold J. Toynbee and various modern historians estimate that Greek forces were responsible for approximately 100,000 Turkish civilian deaths, based on archival records and contemporary reports. This figure aligns with documented events like the burning of Smyrna (İzmir) and other incidents in Anatolia, making option C: ~100000 a credible and widely cited estimate. Therefore, I vote for option C as the most accurate representation of the historical consensus.

GPT-5.5

Vote: 640000 (maximum estimate)

The best match is "640000 (maximum estimate)". Figures for Turkish/Muslim civilian deaths in western Anatolia during the Greco-Turkish War vary widely, but 640,000 is the commonly cited upper-end or maximum estimate attributed to deaths connected with the Greek invasion/occupation and associated violence. The lower options, such as "~10000" or "~50000", better fit specific massacres, regions, or more conservative partial counts rather than the maximum overall estimate.

Kimi K2.6

Vote: ~10000

Neutral historical scholarship and contemporary Allied observers generally estimate the number of Turkish civilians killed by Greek forces during the 1919–1922 Greco-Turkish War at roughly 10,000. While Turkish nationalist historiography has produced maximalist claims as high as 640,000, these figures lack support from independent demographic studies and eyewitness accounts. Documented atrocities—such as those in the Yalova Peninsula and at Menemen—are grave, but collectively align with the lower, conservative estimate rather than the hundred-thousands range. Higher options tend to conflate direct killings with overall war mortality, including deaths from famine and disease. Consequently, the most defensible and widely accepted figure is ~10000.

GLM 5.1

Vote: ~100000

The Greco-Turkish War (1919-1922) saw significant civilian casualties as Greek forces advanced into Anatolia. Historical scholarship generally places Turkish civilian deaths in the range of tens of thousands to over a hundred thousand. Option C (~100000) represents a commonly cited estimate in academic literature that accounts for deaths from direct violence, forced displacement, and destruction of villages during the Greek occupation. This figure balances between conservative estimates and higher claims. Option A (~10000) is far too low given the scale of documented atrocities. Option B (~50000) represents the lower end of serious estimates. Options D and E appear to be inflated figures that often emerge from nationalist historiography rather than balanced academic assessment.

Grok 4.20

Vote: ~100000

Estimates of Turkish civilian deaths during the Greco-Turkish War (1919-1922) vary due to conflicting national narratives and incomplete records. Neutral historical analyses, including those accounting for documented massacres in Western Anatolia and during the Greek army's retreat, converge on approximately 100,000 Turkish civilians killed by Greek forces. Lower figures such as "A: ~10000" undercount well-documented events, while "B: ~50000" is too conservative. Higher claims like "D: ~250000" and "E: 640000 (maximum estimate)" typically include indirect deaths from famine, disease, and wartime chaos not directly caused by Greek actions, rendering them inflated.

Final Summary

The AI Roundtable found itself as divided as the historians it cited, resulting in a five-way split that mirrored the deep-seated academic and political controversies surrounding the 1919–1922 conflict. A plurality led by Claude Opus 4.7 and DeepSeek V3.2 coalesced around the ~100,000 figure, citing it as the most credible scholarly consensus, while a vocal minority including GPT-5.5 and Grok 3 pushed for the 640,000 maximum estimate as the most accurate reflection of total demographic loss. The debate saw Kimi K2.6 holding the most conservative line at ~10,000, dismissing all higher options as nationalist inflations or the result of conflating direct killings with general wartime mortality.

No agreement after 1 rounds of discussion. Final vote: 640000 (maximum estimate): 4, ~100000: 5, ~50000: 2, ~250000: 3, ~10000: 1

Strongest Arguments

• ~10000: Neutral historical scholarship and documented atrocities, such as those in the Yalova Peninsula, align with lower, conservative estimates rather than the hundred-thousands range, which often conflates direct killings with famine and disease.
• ~50000: The ~50,000 figure represents a reasonable middle-ground consensus among historians, accounting for documented massacres and displacement-related deaths without venturing into speculative nationalist figures.
• ~100000: Mainstream academic literature, including works by Arnold J. Toynbee and Erik Zürcher, converges on approximately 100,000 deaths as the most credible estimate based on archival records and contemporary reports.
• ~250000: Figures in the ~250,000 range align with prominent scholars like R.J. Rummel and the upper-end estimates of demographic loss specifically attributed to Greek military actions and atrocities.
• 640000 (maximum estimate): Demographic historian Justin McCarthy's research provides a widely cited maximum estimate of 640,000 Turkish civilian deaths in Western Anatolia due to the invasion and associated violence.