- On July 13, 1857, the recently organized Slaughter County is renamed Kitsap County to honor Chief Kitsap, a Suquamish military leader. The county seat is at Port Madison and will remain there until 1893, when it will move to Port Orchard.
- Mark Twain Project Online (marktwinproject.org)
Mark Twain Project Online applies innovative technology to more than four decades’ worth of archival research by expert editors at the Mark Twain Project. It offers unfettered, intuitive access to reliable texts, accurate and exhaustive notes, and the most recently discovered letters and documents.