Across
1
Medieval land-for-service system
3
Alloy of copper and tin used in early tools
6
Object made by humans from the past
7
Movement of people to new areas
8
Union formed for mutual benefit
9
Sudden overthrow of a government
10
Handwritten historical document
13
Uprising against authority
Down
2
Ancient empire that conquered much of Europe
4
Military blockade of a fortified place
5
Roman arena fighter
11
Long and distinct period of history
12
Period of one hundred years