Era
20th century
11,828
1945-
5,882
19th century
3,277
1900-1999
3,253
21st century
2,861
18th century
2,621
Since 1945
2,343
1991-
1,525
1900 - 1999
1,445
1960-
1,261
1989-
1,185
Civil War, 1642-1649
1,152
2000-2099
966
1945-1989
958
Early works to 1800
885
1918-1945
848
1975-
837
Revolution, 1789-1799
787
1800-1899
780
1980-
725
1918-
719
1976-
709
Civil War, 1861-1865
692
1642-1649
649
1976-2000
613
1979-
608
1990-
595
Since 1991
588
1912-1949
586
1949-
582
Commonwealth and Protectorate, 1649-1660
560
2000-
536
Since 1960
485
1939-1945
476
1947-
468
1700-1799
459
1982-
448
1970-
434
1933-1945
418
Since 1989
414
17th century
388
Since 1976
377
1985-
368
1603-1800
364
1979-1997
364
20e siècle
358
1974-
355
1948-
344
1994-
313
Revolution, 1917-1921
311
more ...