Era
20th century
19
1933-1945
11
19th century
8
1990-
5
1889-1945
3
21st century
3
Unification, 1990
3
16th century
2
1791-1864
2
1815-1870
2
1918-1933
2
1717-1768
1
1788-1860
1
1789-1900
1
17th century
1
1815-1898
1
1818-1883
1
1848-1870
1
1863-1945
1
1864-1925
1
1871-1888
1
1875-1955
1
1875-1961
1
1886-1929
1
1888-1973
1
1889-1951
1
1889-1976
1
1892-1940
1
18th century
1
1903-1969
1
1910-1936
1
1918-1945
1
1936-1945
1
1945-1955
1
1989-
1
George V, 1910-1936
1
Middle High German, 1050-1500
1
To 1066
1
To 1500
1
To 843
1
To 987
1