Khan Academy
Khan Academy: Key Concepts: Serfdom
The resource from Khan Academy provides practice questions for a high school world history course. This section assesses students' knowledge of serfdom, and specifically its impact on feudalism.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: William I of England
William I of England (1027 - 9 September 1087), better known as William the Conqueror, was Duke of Normandy from 1035 and King of England from 1066 to his death. To claim the English crown, William invaded England in 1066, leading an...