Across
1
Formal agreement between nations
4
Period of ten years
5
Belonging to a very old period
8
Large territory under one ruler
9
Armed entry into another territory
11
Uprising against authority
Down
1
Payment made to show submission
2
Sudden overthrow of a government
3
Fortified medieval residence
6
Medieval land-for-service system
7
Succession of rulers from same family
10
Armored warrior of medieval times
12
Legislative body in ancient Rome