The Madison County Historical Society (MCHS) invites the public to attend the dedication of a new Illinois State Historical Marker on Sunday, Dec. 5, 2021, at 2 p.m. at 715 N. Main Street in Edwardsville. The new ISHS marker will commemorate the home and work of Dr. John Weir (1809-1878). Sunday’s dedication also serves as a kick-off for the Society’s Centennial year. The first meeting of the Madison County Historical Society was held on Dec. 3, 1921, the 103rd anniversary of Illinois statehood.