Monroe

Monroe, city, seat (1817) of Monroe county, southeastern Michigan, U.S. It lies at the mouth of the River Raisin, on Lake Erie, between Detroit (about 40 miles [60 km] northeast) and Toledo, Ohio (about 12 miles [20 km] southwest). French Canadians founded a community on the north bank of the Raisin in the 1780s that came to be called Frenchtown; during the War of 1812, it was the scene of the River Raisin Massacre (January...