Science18th centuryEuropelow confidence

The Seven Bridges of Königsberg problem was solved by Leonhard Euler, and his solution is considered the origin of graph theory.

Notes on verification

Well-documented historical mathematical fact, confirmed by multiple independent sources including Wikipedia, academic references, and Euler's original work. [cascade flags: aggregator_dropped_primary_exists | tier=unverified indep_score=0.5 clusters=1 claim_tier=everyday] [harvest 2026-09-15: +4 source(s) on new hosts; tier unverified->silver indep=0.875 clusters=4] [kind-backfill 2026-09-15: kind=interpretive eligibility=medium]

Sources

The Seven Bridges of Königsberg problem was solved by Leo… · DeepInquiry