SV Historical Society – Strong Mansion Open House The Spring Valley Historical Society will be hosting The Strong Mansion Open House at 508 N Huron Ave. n Spring Valley, MN Saturday, December 3rd 1:00p.m. – 8:00 p.m. Free-will donations are welcome + Add to Google Calendar + iCal / Outlook export Date Dec 03 2022 Expired! Time 1:00 pm - 8:00 pm Category Community Share this event