Era
20th century
97
19th century
42
1939-1945
16
17th century
13
18th century
13
21st century
13
To 1500
13
1900-1999
12
1945-
10
Early works to 1800
8
1979-1997
6
Revolution, 1917-1921
6
To 622
6
To 640
6
1769-1821
5
Civil War, 1936-1939
5
1644-1912
4
16th century
4
1918-1945
4
1919-1947
4
1947-
4
1991-
4
Empire, 30 B.C.-476 A.D.
4
Qing dynasty, 1644-1912
4
To 332 B.C.
4
To 634
4
1600-1868
3
1858-1915
3
1900 - 1999
3
1918-1933
3
2000-2099
3
20e siècle
3
21e siècle
3
German occupation, 1941-1944
3
Nicholas II, 1894-1917
3
Ottoman Empire, 1288-1918
3
Partition, 1947
3
Qajar dynasty, 1794-1925
3
Republic, 510-30 B.C.
3
Restoration, 1853-1870
3
Siege, 1941-1944
3
Stuarts, 1603-1714
3
To 146 B.C.
3
To 70 A.D.
3
1250-1517
2
1517-1882
2
15th century
2
1675-1755
2
1789-1815
2
1789-1900
2
more ...