Across
1
Military blockade of a fortified place
5
Metal that replaced bronze in tools
6
Advanced stage of human society
7
Medieval land-for-service system
8
Formal agreement between nations
9
Handwritten historical document
10
Long and distinct period of history
13
Armed entry into another territory
Down
2
Ancient Egyptian stone monument
3
Roman arena fighter
4
Legislative body in ancient Rome
11
Succession of rulers from same family
12
Military conflict or fight
14
Sudden overthrow of a government