Across
1
Long and distinct period of history
3
Union formed for mutual benefit
4
Metal that replaced bronze in tools
5
Armored warrior of medieval times
6
Armed entry into another territory
10
Ancient Egyptian stone monument
Down
2
Handwritten historical document
7
Medieval religious military campaign
8
Alloy of copper and tin used in early tools
9
Territory controlled by another country
11
Legislative body in ancient Rome
12
Armed conflict between nations