Era
2010
2,308
2017
1,139
2016
985
20th century
839
2019
548
2018
512
2015
496
2020
428
1989
306
1970
277
2000
269
2014
266
1958-1969
252
2007
247
1990
204
1900-1999
194
1980
150
2013
146
19th century
126
21st century
120
2011
101
1945-1989
100
2012
87
1910-1920
85
1920
83
1917
76
1914-1918
74
1912-1945
68
Civil War, 1936-1939
62
1902-1994
61
Cultural Revolution, 1966-1976
60
2021
57
1987
56
1950
55
1993
55
1900 - 1999
54
1994
52
2006
52
1918
51
1945-
51
1985
51
1960
50
1930
49
Revolution, 1917-1921
49
1939-1945
46
1992
45
1979
44
1995
44
1984
43
1988
43
more ...