Social, economical and political system of Medieval Europe and in similar way in China and Japan. The system consisted of complex network of relations between nobility, making them lords and vassals of one another, and requiring serfdom from peasants.
Questions tagged with feudalism should concern the feudal system of people dependencies.
Please avoid using this tag as a historical era, where middle-ages tag or tags describing specific century (like 13th-century) would be appropriate.
Other social systems having tags: slavery, capitalism, mercantilism, socialism, imperialism, democracy.
Consider also using the following related tags: social-history, economy, monarchy, kingdom, heraldry, nobility, religion.