Across
1
Military blockade of a fortified place
4
Medieval religious military campaign
5
Sudden overthrow of a government
8
Period of ten years
9
Fundamental law of a nation
10
Handwritten historical document
Down
2
Advanced stage of human society
3
Long and distinct period of history
6
Formal agreement between nations
7
Medieval land-for-service system
11
Male monarch ruler
12
Alloy of copper and tin used in early tools
13
Person who buys and sells goods