The following are some medieval history resources I have run across online. Please let me know of any interesting sites you may have found as well.
- Internet Medieval Sourcebook – contains many writings by contemporaries of the medieval period
- The-ORB: Online Reference Book for Medieval Studies – an academic site for scholars and students; site contains a nice listing of medieval terminology as well
- Medieval History – a broad collection of topics covering the Middle Ages: architecture, chivalry, church and religion, costumes, feudalism, daily life, heraldry, crusades, the inquisition, knights, monasteries, technology, wars and weapons, vikings, etc.
- Medieval Illuminated Manuscripts – collection of illumniated manuscripts from the medieval period
- Medieval History Quizzes – test your knowledge of the medieval period with these online quizzes
- The Labyrinth – resources of medieval studies collected by Georgetown University
- Regia Anglorum – medieval resource site focusing on Anglo-Saxon, Norman, Viking, and British history
- Medieval Map – interactive map illustrating changes and movements of civilizations during the medieval era