Era
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1952-1970
1
1953-
1
1959-
1
1961-1969
1
1963-1969
1
1970-
1
1991-2000
3
19th century
10
2005
1
2006-
1
2009-
1
20th century
18
Civil War, 1861-1865
3
Cretaceous
1
From 65 to 570 million years ago
1
Mesozoic
1
Paleozoic
1
Punitive Expedition into Mexico, 1916
1
Republic, 1836-1846
2
Revolution, 1835-1836
4
Revolution, 1910-1920
1
Since 2006
1
Since 2009
1
To 1820
1
To 1846
5
fl. 1613
1