Across
1
Long and distinct period of history
3
Sudden overthrow of a government
4
Practice of establishing foreign colonies
8
Formal agreement between nations
11
Ancient Egyptian stone monument
12
Medieval religious military campaign
Down
2
Military blockade of a fortified place
5
Roman arena fighter
6
Movement of people to new areas
7
Large territory under one ruler
9
Male monarch ruler
10
Government by the people