Across
1
Belonging to a very old period
5
Payment made to show submission
7
Armed conflict between nations
8
Sudden overthrow of a government
10
Long and distinct period of history
11
Union formed for mutual benefit
12
Ancient empire that conquered much of Europe
Down
2
Armored warrior of medieval times
3
Metal that replaced bronze in tools
4
Period of one hundred years
6
Roman arena fighter
9
Relating to the Middle Ages