Samuel Clemens married Olivia Langdon in Elmira, New York, in 1870.
Sources
- Unswerving irregularity | USPTO (uspto.gov)
- https://www.marktwainhouse.org/man/olivia_langdon_clemens.php (marktwainhouse.org)
- https://www.marktwainproject.org (marktwainproject.org)
- https://www.pbs.org/marktwain/aboutmt/family.html (pbs.org)
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