Winterthur — built in 1839 [FACT-0725].
Location: Winterthur, Delaware, USA
Verified facts
- Built in 1839
confidence 70/100 · 2 independent sources · SRC-0793, SRC-0797
Evidence & sources
- SRC-0793 — Encyclopaedia Britannica — Winterthur Museum (Tier 2, reference; retrieved June 2026)
- SRC-0797 — Winterthur Museum, Garden & Library — official site, The Story of Winterthur (Tier 1, official_site; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We publish
location only at neighborhood/city granularity — exact street addresses and personal information
are structurally barred from publication. Last reviewed June 2026.