Era
20th century
147
21st century
86
1900-1999
49
2000-2099
42
1945-1989
27
1989-
25
1945-
16
Since 1900
15
2001-2009
12
1933-1945
11
2009-2017
10
1980-
9
1946-
8
2017-
8
1900-2099
7
19th century
7
1870-1940
6
1963-1969
6
Since 1980
6
1993-
5
1900 - 1999
4
1918-1945
4
1945-1964
4
2016
4
1789-
3
1858-1941
3
1878-1945
3
1882-1945
3
1891-1937
3
18th century
3
1905-1975
3
1918-1933
3
1931-1939
3
1961-1963
3
1990-
3
1993-2001
3
Civil War, 1936-1939
3
Since 1945
3
Since 2000
3
Since 2017
3
To 1964
3
1800-1999
2
1886-1939
2
1894-1919
2
1899-1967
2
1900-1945
2
1901-1981
2
1902-1974
2
1908-1957
2
1910-1945
2
more ...