Era
20th century
40
1945-
21
1849-1870
20
1815-1870
12
1922-1945
10
1945-1989
10
1945-1976
7
19th century
7
476-1492
6
Since 1945
6
1769-1821
5
1789-1815
5
18th century
5
21st century
5
1453-1821
4
1800-1999
4
1900-1999
4
1989-
4
Geschichte
4
To 622
4
1268-1559
3
15th century
3
1789-1870
3
17th century
3
1815 - 1870
3
1900 - 1999
3
1914-1945
3
1918-1945
3
1939 - 1945
3
Allied occupation, 1943-1947
3
To 146 B.C
3
To 476
3
To 711
3
To 800
3
1492-
2
1600-1699
2
16th century
2
1700 - 1799
2
1789-1900
2
1800 - 1999
2
1805-1872
2
1870-1914
2
1870-1945
2
1883-1945
2
1900-2099
2
1922-
2
1939-1947
2
1976-
2
1976-1994
2
323-1453
2
more ...