Era
20th century
22,159
19th century
10,815
1900-1999
7,598
21st century
6,334
2000-2099
2,670
Civil War, 1861-1865
2,469
1939-1945
2,025
18th century
1,888
1800-1899
1,842
1900 - 1999
1,765
20e siècle
1,244
1876
1,186
1945-
933
1800-1999
919
17th century
869
1706-1790
837
1914-1918
689
21e siècle
663
1900-2099
580
1949-
476
1800 - 1899
457
19e siècle
450
Meiji period, 1868-1912
433
Edo period, 1600-1868
429
1939 - 1945
410
16th century
405
1951-
403
1952-
401
1600-1868
399
Civil War, 1936-1939
395
Geschichte
386
1944-
380
2000 - 2099
369
1933-1945
342
Since 1945
337
1946-
334
1947-
333
1954-
321
1948-
309
1958-
304
1938-
303
1955-
303
1971-
295
1961-
292
1953-
289
1957-
289
1700-1799
282
Early works to 1800
273
1964-
272
1732-1799
269
more ...