Era
20th century
40
1922-1945
36
1914-1945
27
1421-1737
21
1945-1976
20
1268-1559
13
19th century
13
16th century
12
1945-
12
1469-1527
11
1883-1945
11
1976-1994
11
18th century
10
1870-1914
9
21st century
9
476-1268
9
1849-1870
8
1815-1870
7
1994-2018
7
1918-1945
6
To 1421
6
1265-1321
4
1508-1797
4
1900-1999
4
1916-1978
4
20e siècle
4
697-1508
4
To 1500
4
1775-1783
3
1867-1918
3
1870-
3
1878-1953
3
1908-1973
3
1914-1922
3
1936-
3
1970-1973
3
1989-
3
1369-1444
2
1517-1648
2
16e siècle
2
1789-1815
2
17th century
2
1805-1872
2
1887-1922
2
1891-1937
2
1900-1978
2
1902-1975
2
1914-
2
1922-1975
2
1933-1945
2
more ...