Samuel Clemens married Olivia Langdon in Elmira, New York, in 1870.
Notes on verification
Well-documented biographical fact corroborated by multiple independent, authoritative sources including the Mark Twain House & Museum and the Mark Twain Project archives. [tier=silver indep_score=0.833 clusters=3 claim_tier=everyday | framework convergence=partial (upstreams: Mark Twain Project (Bancroft Library, UC Berkeley), Mark Twain House & Museum) — publishers independent, evidence may not be | kind=empirical eligibility=high]
Sources
- Unswerving irregularity | USPTO (seed:firsts_and_inventions)
- https://www.marktwainhouse.org/man/olivia_langdon_clemens.php (corroboration)
- https://www.marktwainproject.org (corroboration)
- https://www.pbs.org/marktwain/aboutmt/family.html (corroboration)