Era
20th century
70
1914-1944
43
1900-1999
34
19th century
33
1989-
23
21st century
21
1944-1989
19
To 1711
16
1918-1945
15
1900 - 1999
14
Since 1989
13
1821-1914
12
1800-1899
10
Ottoman Empire, 1288-1918
10
1288-1918
9
1933-1945
9
1914 - 1944
8
1866-1914
7
1914-1918
7
1914-1945
7
1939-1945
7
1945-1989
7
1940-1947
6
1944-
6
1945-
6
1821 - 1914
5
1821-1859
5
1939 - 1945
5
20e siècle
5
16th century
4
1711-1821
4
1800-1999
4
1882-1941
4
18th century
4
1900-2099
4
1914 - 1945
4
1919-
4
1944 - 1989
4
1991-
4
Charles I, 1866-1914
4
War of 1912-1913
4
1559-1789
3
1762-1878
3
17th century
3
1801-1917
3
1815-1871
3
1820-1873
3
1821-1866
3
1918-1940
3
1945-1991
3
more ...