The Carolingian Empire
This site has a lot of stuff about it^^

Site about the art:
Carolingian art - Wikipedia, the free encyclopedia

Site about the fall of the Carolingian era
The Fall of the Carolingian Empire| Lectures in Medieval History


This was during the Middle Ages aka medieval times
You could compare it to:
Western Roman Empire:
The Economic History of the Western Roman Empire: The Invasion of the Western Roman Empire by Barbarian Tribes
^^Talks about economics

Byzantine Empire
Byzantine Art
^^talks about the art, which you could relate to the Carolingian era.

Medieval Weapons
Middle Ages Weapons
^^Extra info about Medieval times

The Crusades
The Crusades
^^ This also happened during the Carolingian time period, mainly about christians fighting Muslims, lasted for around 300 years.



Is there any other information you need/ want?