Cicero Township, Cook County, Illinois. Geographic Names Information System. United States Geological Survey; United States Census Bureau 2009 TIGER/Line Shapefiles; United States National Atlas
Feudalism is defined as a Medieval European political, economic and social system from the 9th to 15th century.
Feudalism - Historiography. 1  The idea of feudalism was unknown and the system it describes was not conceived of as a formal political system by the people living in the Medieval Period.