Era
20th century
10
1900-1999
4
19th century
4
1963-
3
1865-1918
2
1918-1945
2
1945-
2
1450-1600
1
1450-1699
1
16th century
1
17th cent,
1
17th century
1
1800-1999
1
1861-1865
1
1882-1956
1
1900 - 1999
1
1964-
1
1976-2000
1
2000-2020
1
Civil War, 1861-1865
1
Geschichte 1900-1990
1
Since 1601
1
Since 1945
1