Fun History Puzzle

Public|
4
2
9
5
3
1
8
6
7

Across

1

Deadly epidemic disease

4

Period of ten years

5

Fundamental law of a nation

6

Fortified medieval residence

7

Large territory under one ruler

8

Metal that replaced bronze in tools

Down

2

Period of one hundred years

3

Union formed for mutual benefit

9

Object made by humans from the past