| 1
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2 |
3
|
4
Haymarket Square Riot
Kent State
|
5
Cinco de Mayo
|
6
Hindenburg Disaster
|
7
Lusitania
|
|
8
Victory in Europe
|
9 |
10
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11 |
12
|
13
Jamestown
Mexican War
|
14
Lewis & Clark Expedition
|
|
15
Seven Years War
|
16
Sedition Act
|
17
Brown v. Board of Ed
Watergate Hearings
|
18
Plessy v. Ferguson
Mt. St. Helens
|
19
Spanish Armada
|
20
Homestead Act
|
21 |
|
22
War of the Roses
|
23
|
24
Brooklyn Bridge
|
25
US Constitution
|
26
|
27
Bismarck
Golden Gate Bridge
|
28 |
|
29
Mt. Everest
|
30
Joan of Arc
Mariner 9
|
31
Big Ben
Johnstown Flood
|
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