Era
20th century
23
1900-1999
10
21st century
8
1858-1919
6
1865-1946
5
1933-1945
5
19th century
5
1882-1945
3
2000-2099
3
1800-1999
2
1918-
2
1934-
2
1938-
2
1945-
2
Permian
2
1800 - 1899
1
1800-1899
1
1853-1890
1
1865-1918
1
1865-1921
1
1874-1964
1
1885-
1
1886-1948
1
1893
1
1895-1975
1
1900-2099
1
1901-1909
1
1909-1913
1
1917-2014
1
1918-1945
1
1920-
1
1920-2012
1
1932-
1
1946-
1
1946-1990
1
1948-
1
1950-
1
1980-
1
1991
1
2000-
1
Civil War, 1991-2002
1
From 230 to 280 million years ago
1
Geschichte 1933-1938
1
Geschichte 1989-
1
Since 2000
1