Era
20th century
2,642
1900-1999
1,454
19th century
1,010
1900 - 1999
744
1800-1899
460
1939-1945
412
Civil War, 1861-1865
289
18th century
286
1800 - 1899
236
1939 - 1945
204
1861-1865
157
Heian period, 794-1185
148
1861 - 1865
128
1700-1799
116
17th century
112
1914-1918
112
1945-
104
1929-1945
97
20e siècle
96
794-1185
96
1933-1945
88
794 - 1185
81
Revolution, 1775-1783
68
1914 - 1918
61
21st century
57
German occupation, 1940-1945
54
1700 - 1799
52
1185-1600
51
1800-1999
44
1600-1868
43
19e siècle
42
Early works to 1800
42
Since 1945
42
approximately 935-995
42
1922-
41
Revolution, 1917-1921
41
1868-1912
40
1928-
39
1946-
38
1882-1941
37
1903-1977
37
1918-1945
36
Restoration, 1853-1870
36
1600-1699
35
1775-1783
35
1900-1998
35
1923-
35
1947-
35
active 4th century-5th century
34
1895-1998
33
more ...