Wars & Conflicts
An Lushan Rebellion
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An eight year Tang dynasty civil war, 755 to 763 CE, launched when the general An Lushan, of Sogdian and Turkic descent, rose against the Tang court and proclaimed a rival Yan dynasty. Mainstream historiography treats it as a political and military rebellion against imperial authority rather than a war fought over religion, though An Lushan's Sogdian background links the conflict to Central Asian communities associated with Zoroastrianism, which is why some popular accounts still group it with history's religious wars. This atlas records the classification dispute itself as well as the rebellion's widely cited but heavily disputed death toll.
Facts
Open Questions
Death Toll AssessmentThe figure most often repeated for this rebellion, thirty six million dead, comes from subtracting the Tang court's 764 census count, sixteen point nine million people, from its 755 count, fifty two point nine million, a calculation popularized by the conflict death compiler Matthew White and repeated by Steven Pinker as history's deadliest war relative to world population at the time. White later revised his own figure down to thirteen million using a different calculation from the same census data. The historian Charles Patrick Fitzgerald argued the higher figure is incompatible with contemporary accounts of a war fought intermittently across only three or four provinces, and mainstream Tang historiography considers the post-rebellion census itself unreliable, reflecting collapsed tax and population registration rather than a demographic collapse of that size. No historian consulted has offered a reconciled war death total to replace the disputed census figure, so this atlas records the dispute rather than adopting either the popularized total or an unattributed revision. 1 Sourced to the subject's own accountNo historian consulted has offered a war death total for the rebellion built from a method other than the disputed 755 to 764 census subtraction; this atlas checked for a reconciled modern estimate and found none, only critiques of the existing figure. Disputed
Religious DimensionAn Lushan was of Sogdian and Turkic descent, and Sogdian merchant networks tied to Central Asian Zoroastrian and Manichaean communities helped finance and staff his rebel army, which is why some popular accounts of history's deadliest wars group this rebellion with religious conflicts. Mainstream Tang historiography instead treats it as a political and military civil war fought over control of the imperial court, attributing to neither side a religious cause or program. Whether the rebellion belongs among history's religious wars at all is the debated fact this atlas records, not a settled classification. 1 Sourced to the subject's own accountWikipedia's synthesis of Tang era historiography describes the rebellion as a political and military struggle for the throne, naming no religious motive on either side, and notes only An Lushan's Sogdian ancestry and his army's reliance on Sogdian networks elsewhere associated with Zoroastrian and Manichaean communities in Tang China. No academic source consulted argues the fighting itself was waged over religion; this atlas includes the rebellion here because that very ambiguity is itself a documented, debated fact. The Event
When It HappenedSourced to the subject's own account PeriodSourced to the subject's own account Principal PartiesSourced to the subject's own accountThe Tang dynasty imperial court under Emperor Xuanzong and his successors, against the rebel Yan dynasty proclaimed by the general An Lushan and continued after his death by his son An Qingxu, then by his former subordinate Shi Siming and Shi Siming's son Shi Chaoyi. 1 Consequences
What It SettledSourced to the subject's own accountTang forces, aided by Uyghur cavalry and other allied troops, suppressed the rebellion by 763, but the war permanently weakened central Tang authority, ending the dynasty's high imperial period and beginning a long era of regional military governors operating outside direct court control. 1 Cross-Tradition Connections
Associated With
This source names Sogdian directly: "when the general An Lushan, of Sogdian and Turkic descent, rose against the Tang court and proclaimed a rival Yan dynasty."
Sources
Open Questions (1 open question)
How Many Died in the An Lushan Rebellion?
The only widely repeated total, thirty six million, comes from subtracting one disputed Tang census count from another rather than from any direct accounting of the dead, and the compiler who popularized it later revised his own figure down by more than half using a different method on the same two numbers. Historians who have examined the underlying census data consider it unreliable for this purpose, but none consulted has published a replacement war death total of their own.
What would resolve this A demographic historian's reconstruction of Tang population loss across 755 to 763 that accounts for wartime migration, tax registration collapse and regional variation rather than a single before and after census subtraction, similar to the kind of regional accounting that has been attempted for other long, poorly recorded wars on this atlas.
Tang dynasty history; historical demography
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