Era
1939-1945
30
German occupation, 1943-1945
16
1914-1945
10
20th century
10
Revolution, 1954-1962
8
1945-1955
7
1740-1814
4
1918-1945
4
1919-1987
4
Allied occupation, 1943-1947
4
Grand Council, 1943
4
1875-1948
3
1914-1918
3
1945-1976
3
1945-1990
3
30 B.C.-476 A.D.
3
Romulus Augustulus, 475-476
3
active 5th century
3
1807-1882
2
1849-1870
2
1870-1945
2
1900-1945
2
1900-1999
2
1922-1945
2
1939-1955
2
1943-1976
2
1954-1962
2
5th cent
2
War of 1860-1861
2
approximately 236 B.C.-183 B.C.
2
1498-1526
1
1815-1870
1
1821?-1849
1
1860-1861
1
1865-1918
1
1866-
1
1867-1935
1
1898-1963
1
1898-1979
1
1901-1985
1
1902-1975
1
1909-2001
1
1912-1945
1
1916-2000
1
1919-
1
1933-1945
1
1937-1945
1
1939 - 1945
1
1939-1990
1
1943-
1
more ...