Era
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1936-
1
1942-
1
1949-
1
1957-
1
1989-
1
1998
1
Cambrian
1
European intervention, 1861-1867
1
From 230 to 570 million years ago
1
From 425 to 570 million years ago
1
Geschichte 1848-1978
1
Hasta 1848
1
Ordovician
1
Paleozoic
1
Quaternary
1
Revolution, 1910-1920
1
Since 1900
1
To 1789
1
To 1803
1
To 1821
1
To 1861
1
To 1950
1
To 1999
1
Vor- und Frühgeschichte
1
Wars of Independence, 1810-1821
1
approximately 1845-1910
1
approximately 1857-1921
1
d. 1852
1
d. 1903
1
fl. 1844-1852
1
to 1848
1