Era
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1700-1809
4
1789-1900
4
17th century
4
1890-1965
4
1910-1943
4
1962-
4
1964-1985
4
1973-1988
4
1978-1989
4
1981-
4
2007-
4
2020
4
Revolution, 1789-1799
4
Since 1948
4
Since 1975
4
Since 1990
4
Since 2017
4
To 1899
4
1751-1836
3
1789-1797
3
1865-1921
3
1869-1934
3
1869-1948
3
1888-1918
3
1891-1956
3
1901-1910
3
1917-1936
3
1919-1947
3
1934-
3
1941-1979
3
1955-
3
1959-
3
1960-1980
3
1962-1990
3
1964-1994
3
1970-1988
3
1974-1999
3
1976-1994
3
1979-1990
3
1980
3
1984-1993
3
1992-
3
2001-2021
3
2020-
3
Civil War, 1861-1865
3
Civil War, 2011-
3
Colonial period, ca. 1600-1775
3
Since 1868
3
Since 1977
3
1485-
2
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