Medical Investigations By michaellmar Period: 500 to Sep 3, 2015 Medical history Period: 500 to Dec 31, 1500 Middle ages Period: Jan 1, 1501 to Dec 31, 1699 Renaissance Period: Jan 1, 1700 to Dec 31, 1899 Industriall Revilution Period: Jan 1, 1899 to Sep 3, 2015 Modern World