Era
20th century
3,864
1900-1999
1,624
21st century
1,158
19th century
705
2000-2099
530
1516-1830
503
1912-1956
431
1900 - 1999
399
647-1516
379
1999-
299
20e siècle
231
1961-1999
193
1800-1899
187
1929-1999
170
Since 1999
148
18th century
135
711-1516
131
17th century
115
1963-
114
1975-
112
-632
111
Early works to 1800
110
647-1517
106
21e siècle
104
1909-1961
101
1882-1963
96
1910-1999
96
1800-1999
91
1900-2099
85
16th century
83
2000 - 2099
76
19e siècle
57
-1727
54
1910-1974
54
1854-1934
53
1516 - 1830
52
1800 - 1899
47
1945-
44
1258-1800
43
1920-1965
43
1935-2003
42
20e siècle
42
1798-1863
41
To 647
41
1956-
40
Since 1975
39
1936-
37
647 - 1516
37
1933-
36
Civil War, 1936-1939
36
more ...