Washington is home to over 400 historical societies, preservation organizations, and heritage groups. From major institutions in Olympia and Seattle to small-town societies preserving local heritage, these organizations maintain vital connections to Washington's rich past.
Featured Historical Societies
Museum of History & Industry (MOHAI)
Location: Seattle, WA
Founded: 1952
Chronicles Seattle and Puget Sound history through innovation and industry. Features exhibits on Boeing, Microsoft, Starbucks, maritime commerce, Great Seattle Fire, and region's transformation from frontier town to technology hub
Website: mohai.org
Washington State Historical Society
Location: Tacoma, WA
Founded: 1891
Official state historical organization operating Washington State History Museum. Preserves collections documenting Pacific Northwest history from Native American cultures through pioneer settlement, lumber industry, and maritime heritage of Puget Sound region
Website: washingtonhistory.org
Whitman Mission National Historic Site
Location: Walla Walla, WA
Founded: 1936
Preserves site of 1836 mission established by Marcus and Narcissa Whitman. Interprets Oregon Trail migration, missionary work among Cayuse people, and 1847 tragedy that shaped Pacific Northwest settlement and Native American relations
Website: nps.gov/whmi
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Submit a Society →Additional Washington History Resources
- Washington State Historical Society - Statewide history organization
- Washington State Historic Preservation Office - State historic preservation programs
- Washington State Archives - State archives in Olympia