These sites are about the Barbarian invasions in the 4th through 6th centuries and include information on Germanic tribes, the Huns, and the Mongols. View many maps showing the routes of the invasions. Also includes timelines, a video, and some activity ideas.
Click on "History" and check records of "Europe" and "Roman Empire" around 300 AD. There are several topics covering the fall of the Roman Empire, such as "Soldier Empire," "Barbarian Migration," "Hunnish Empire," etc.
Here is a detailed history of the Germanic migrations into Western Europe. The site features maps and excerpts from writings about the Germanic peoples. Note: The text may be advanced for younger readers, but the maps are useful for younger students, too.
This Metropolitan Museum of Art site features a timeline of early European history including the Germanic invasions. Brief facts link to images of Germanic and Roman artifacts, maps, and other related timelines.