1
Q
1837
A
Financial collapse in eastern USA
2
Q
1844
A
The death of Joseph smith
3
Q
1848
A
California gold rush
4
Q
1851
A
1st fort Laramie treaty
5
Q
1862
A
Homestead act
6
Q
1864
A
Sand creek massacre
7
Q
1866
A
First cattle trail good night and loving
8
Q
1868
A
2nd fort Laramie treaty
9
Q
1869
A
Completion of transcontinental railroad
10
Q
1876
A
battle of the Little Bighorn
11
Q
1887
A
End of the open range
12
Q
1890
A
Battle of wounded knee
