Across
1
Government ruled by a king or queen
4
Person who travels to discover new lands
6
Long and distinct period of history
7
Metal that replaced bronze in tools
8
Territory controlled by another country
10
Period of ten years
11
Alloy of copper and tin used in early tools
12
Male monarch ruler
Down
2
Freedom from outside control
3
Roman arena fighter
5
Ancient Egyptian ruler
9
Person with no fixed home