Era
1918-1945
1878-1944
16
20th century
13
1918-1944
9
Boris III, 1918-1943
6
1878-1945
5
1900-1999
4
Since 1918
4
1901-1958
3
1918-1933
3
1933-1945
3
1941-1944
3
1944-
3
1879-1923
2
1882-1949
2
1889-1963
2
1894-1943
2
1912-1945
2
1918-
2
1918-1990
2
1945-
2
1762-1878
1
1804-1918
1
1821-
1
1851-1927
1
1871-1918
1
1876-1938
1
1878 - 1945
1
1878 - 1999
1
1878-1928
1
1878-1999
1
18th century
1
1900 - 1999
1
1914-
1
1914-1918
1
1914-1944
1
1918 - 1945
1
1939-1945
1
1944-1989
1
1944-1990
1
1945-1960
1
1945-1989
1
1945-1992
1
1960-
1
1989-
1
19th century
1
Axis occupation, 1941-1945
1
Geschichte 1918-1920
1
Geschichte 1923-1944
1
Revolution, 1917-1921
1
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