History1910sUnited Statesmedium confidence

The 1910 special U.S. census of Indians, overseen by Harvard anthropologist Roland Dixon, reported that mixed-blood Indians were increasing much faster than full-blood Indians and concluded that full-blood Indians would eventually disappear altogether unless conditions changed.

Notes on verification

Confirmed via primary US Census Bureau publications from 1910 and secondary historical/anthropological review (NCBI). Multiple independent corroborating sources including primary government documents. [tier=bronze indep_score=0.539 clusters=2 claim_tier=notable]

Sources