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Gateway to Minnesota History The Washington County Historical Society owns and operates three museum sites in Minnesota Upcoming Events Haunted History at the Wardens House Afterlife Sentences 2025 Wardens House Museum Open House ALLSTAR WRESTLING with George Schire Black White Movie Night Detour 1945 2025 Stillwater Historic House Tour Sign up for our event enewsletter Become a member or renew membership The Washington County Historical Society collects preserves and disseminates the history of Washington County and the state of Minnesota. Want to help support your local history. Heres your chance. WCHS is 100 reliant on your generosity.