Era
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1979-1997
3
1981-1989
3
1989-
3
1991-
3
2000-2099
3
2011-2020
3
Civil War, 1975-1990
3
Civil War, 1989-1996
3
Civil War, 1991-2002
3
Civil War, 1994
3
Civil War, 1994-
3
Civil War, 2011-
3
Colonial period, ca. 1600-1775
3
Early modern and Elizabethan, 1500-1600
3
Occupation, 1939-1945
3
Revolution, 1910-1920
3
Revolution, 1917-1921
3
Revolution, 1954-1962
3
Revolution, 1979
3
1122?-1204
2
1133-1189
2
1185-1868
2
1452-1485
2
1483-1546
2
1619-1655
2
1632-1675
2
168 B.C.-135 A.D.
2
16th century
2
1700-1799
2
1746-1828
2
1756-1791
2
1783-1865
2
1791-1840
2
1809-1865
2
1810-1849
2
1821-1881
2
1825-1890
2
1828-1906
2
1848-1860
2
1854-1900
2
1863-1951
2
1866-1929
2
1868-1936
2
1869-1948
2
1875-1965
2
1878-1953
2
1882-1941
2
1882-1955
2
1886-1945
2
1889-1977
2
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