World War II was the deadliest conflict in history, causing the deaths of 60 to 75 million people.
Notes on verification
Well-established historical consensus corroborated by multiple independent, reputable sources including Wikipedia, HISTORY.com, and academic references. Minor variance in exact death toll estimates across sources, but all fall within or near the stated range. [tier=bronze indep_score=0.3 clusters=3 claim_tier=everyday]
Sources
- World War II (wikipedia)
- https://www.history.com/articles/world-war-ii-deadliest-war (corroboration)
- https://www.ebsco.com/research-starters/military-history-and-science/casualties-world-war-ii (corroboration)
- https://courses.lumenlearning.com/suny-hccc-worldhistory2/chapter/casualties-of-world-war-ii/ (corroboration)