Era
20th century
16
1900-1999
9
2000-2099
6
21st century
6
2011
5
Civil War, 2011-
5
2018
3
2019
3
California
3
Civil War, 1983-2005
3
United States
3
1791-1804
2
1947
2
1947 (Partage)
2
1959-1990
2
1973-1988
2
2003-2011
2
2010
2
2021
2
21e siècle
2
Iran
2
Partition, 1947
2
Revolution, 1791-1804
2
Since 1983
2
Syria
2
0-1868
1
1564-1616
1
1600-1868
1
1791-1804 (Révolution)
1
1847-1944
1
1894-1917
1
1900 - 1999
1
1909 - 1933
1
1909-1933
1
1925-1953
1
1929
1
1930-1961
1
1933-1959
1
1937-2006
1
1939-1945
1
1940-1941
1
1940-1945
1
1951-
1
1956-
1
1959 - 1990
1
1959-
1
1971-
1
1971-1980
1
1974-
1
1975 - 1979
1
more ...