Era
1878-1944
115
1944-1990
55
20th century
46
1990-
30
1900-1999
25
War of 1912-1913
23
19th century
20
1989-
18
1878 - 1944
17
1944-
16
1762-1878
14
Since 1989
12
1914-1918
11
Since 1944
11
1878-1945
10
21st century
10
Since 1990
10
To 1393
10
1912-1913
9
Boris III, 1918-1943
9
Ferdinand I, 1887-1918
9
1871-1918
8
1918-1945
7
1933-1945
7
1939-1945
7
1945-1989
7
Ottoman Empire, 1288-1918
7
1800-1899
6
1801-1917
6
1855-1881
6
1878-1999
6
1900 - 1999
6
1945-
6
Revolution, 1917-1921
6
Since 1900
6
1393-1762
5
1762-1881
5
1867-1918
5
1881-1938
5
1882-1949
5
19e siècle
5
2000-2099
5
1800-1917
4
1800-1999
4
1878-1912
4
1878-1990
4
1910-1936
4
1912-1913 (Guerres)
4
1913-
4
1914-1944
4
more ...