Not-so-Dark Ages
Charlemagne
Feudalism
100

The location of the Dome of the Rock. Also a city conquered by Muslim forces in the early 7th century

Jerusalem

100

The Germanic tribe to which Charlemagne belonged

Franks

100

The lowest class...Cowabunga!

Serfs

200

Mathematical advancement where numbers are replaced with letters

Algebra

200
Rather than an empire, most people turned to the authority of this institution

The Church

200

Hired arms for protection in return for land

Knights

300

The language that helped unify and spread Islam. It was the language of learning during the Medieval period.

Arabic

300

The title which the Pope bestowed upon Charlemagne, it was a nice revival

'Holy Roman Emperor'

300

A land grant given out by a king or lord

Fief

400

A madrasa in Fez has a claim as one of the world's oldest these...1000 years older than the one in Miami

University

400

Places where Greco-Roman works were preserved in medieval Europe

Monasteries 

400

One who is given a land grant by a king or higher ranking lord

Vassal

500

Latin Alphabet is to ABC

As _________ Numerals are to 123

Arabic

500

The pope who crowned Charlemagne. Hint: It is one of the zodiac signs)

Pope Leo (III)

500

The highest person in any feudal system. They own all the land and recruit loyal lords

What is a King/Queen or Monarch