Era
20th century
154
19th century
93
21st century
40
18th century
36
17th century
31
20TH CENTURY
26
1971-
20
16th century
16
19TH CENTURY
14
1945-
12
Early modern, 1500-1700
11
1981-
7
1564-1616
5
1882-1941
5
1979-1997
5
1812-1870
4
1834-1896
4
1960-
4
Middle English, 1100-1500
4
1688-1744
3
1757-1827
3
1775-1817
3
1869-1954
3
18TH CENTURY
3
1900-1999
3
1947-
3
1948-
3
1951-
3
1969-
3
1975-
3
Civil War, 2011-
3
Medieval period, 1066-1485
3
1450-1600
2
1789-1820
2
1809-1892
2
1815-1882
2
1832-1898
2
1840-1928
2
1842-1898
2
1843-1916
2
1866-1943
2
1881-1973
2
1888-1965
2
1893-1976
2
1938-
2
1946-
2
1976-
2
Cultural Revolution, 1966-1976
2
History
2
Middle Ages, 600-1500
2
more ...