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.
This article is about the classic, or medieval, Western European form of feudalism. For feudalism as practiced in other societies, as well as that of the Europeans, see Examples of feudalism.