Era
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2001-
8
Since 1976
8
Since 1990
8
Since 2009
8
17th century
7
1955-
7
1980-
7
Russian Invasion, 2022-
7
Since 1900
7
1837-1901
6
1842-1924
6
1888-1979
6
1933-1945
6
1978-
6
1997-
6
2007-
6
2016
6
1766-1834
5
1800-1999
5
1839-1897
5
1881-1973
5
1985-
5
1993-
5
2003-
5
2021-
5
1711-1776
4
1864-1920
4
1898-1984
4
1904-1989
4
1918-
4
1933-
4
1939-1945
4
1940-
4
1961-
4
1976-
4
2008 - 2009
4
2009-2017
4
2020
4
Since 1952
4
To 146 B.C.
4
16th century
3
1700-1899
3
1729-1797
3
1767-1832
3
1796-1872
3
1809-1865
3
1815-1882
3
1834-1910
3
1861-1917
3
1879-1961
3
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