McHenry County is located in the U.S. state of Illinois, a part of the area. Long known as a hub of agriculture and recreation it houses a major historic attraction. McHenry County Historical Society and Museum in Union, Illinois was first officially opened to the public back in 1976. Its a historian's delight and comprises of several relics like a 1885 town hall (more famous as Perkins Hall), a 1847 log cabin, and an 1895 one-room school which was used for c ...
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