Era
20th century
48
1900-1999
24
1930-2012
10
1939-1945
7
1902-1974
6
1754-1793
5
2001
5
21st century
5
1970-2000
4
1736-1793
3
1789-1793
3
1867-1912
3
1930-
3
1931-
3
1938-
3
1871-1948
2
1897-1937
2
1934-1968
2
1945-
2
1948-
2
1961-1969
2
1964-
2
1985
2
1988
2
19th century
2
Bombardment, 1945
2
Geschichte
2
Revolution, 1789-1799
2
World War, 1939-1945
2
1452-1519
1
1564-1616
1
1633?-1685
1
1648-1720 or 21
1
1667-1735
1
1700-1899
1
1789-1799
1
1800-1899
1
1835-1910
1
1866-1946
1
1868-1954
1
1870-1913
1
1872-1928
1
1875-1912
1
1888-1957
1
1897-1962
1
1899-1973
1
18th century
1
1900 - 1999
1
1900-1944
1
1902-1968
1
more ...