Era
20th century
38
1945-
22
Revolution, 1775-1783
11
19th century
10
1900-1999
9
Since 1945
9
18th century
8
20e siècle
7
1945-1989
6
1775-1783
5
1950-
5
1955-1965
5
1965-
5
1971-1981
5
1564-1616
4
1700-1799
4
1775-1783 (Révolution)
4
1861-1865
4
1918-1945
4
1933-1945
4
1960-1980
4
1985
4
20e siècle
4
17th century
3
1800-1899
3
1868-
3
18e siècle
3
1961-1971
3
1967
3
1971-
3
1972
3
1977
3
1981
3
1983
3
1984
3
Civil War, 1861-1865
3
Colonial period, ca. 1600-1775
3
Since 1950
3
1600-1699
2
1801-1890
2
1868-1912
2
1869-1934
2
1896-1980
2
1910-1936
2
1918-
2
1939-1945
2
1945-1982
2
1948-1980
2
1953-1985
2
1960-
2
more ...