Era
20th century
25
1876-1958
18
1933-1945
6
21st century
5
1857-1939
4
1918-1945
4
1066-1485
3
18th century
3
1945-1953
3
1945-1989
3
19th century
3
20e siècle
3
1207-1272
2
1288-1918
2
1714-1837
2
17th century
2
1881-1963
2
1889-1962
2
1900-1999
2
1918-1933
2
1945-1955
2
1981-1993
2
1989-
2
1989-1993
2
Ottoman Empire, 1288-1918
2
0750-2007
1
1066-1500
1
1154-1399
1
1160 or 1161-1216
1
1160 or 61-1216
1
1160-1216)
1
1517-
1
1558-1603
1
1648-1740
1
1660-1714
1
1689-1714
1
16th century
1
1714-1760
1
1757-1824
1
1789-1900
1
1792-1878
1
1800-
1
1810-1903
1
1836-1909
1
1836-1910, USMA xMay 1861
1
1837-1908
1
1841-1935
1
1859-1952
1
1861-1945
1
1865-
1
more ...