The Civil War Sesquicentennial (2011-2015). The Monroe County Historical Museum (MCHM), and many local historical organizations, are planning many programs and special exhibits for these upcoming years. The MCHM can be contacted at: (734) 240-7780. Or, log on to http://www.co.monroe.mi.us to check out upcoming area events. Or, log on to: http://www.Facebook.com/MonroeMuseum. During the months June, July and August the Museum will be open seven (7) days a week. From 10 a.m. to 5 p.m. There may be an admission.