Historical Period
20th century
460
21st century
407
19th century
226
1945-
216
1918-1945
111
1991-
92
18th century
86
2000-
86
1960-
85
1975-
68
1980-
64
1989-
63
1980-2020
50
1981-2001
49
1970-
45
1933-1945
42
1947-
38
1982-
37
1994-
37
2002-
36
17th century
31
1918-
30
1960-1980
30
1865-1918
29
1990-
29
1929
28
1976-2000
28
1979-
28
To 1500
28
1949-
27
1945-1989
25
2009-
24
1918-1932
22
1945-1982
22
To 1865
22
1066-1485
21
16th century
20
1959-1990
19
1971-1981
17
1986-
16
1948-1980
15
1976-2002
14
1985-
14
1988-
14
1968-
13
1945-1995
12
2001-2009
12
Civil War, 1861-1865
12
To 1492
12
1919-1933
11
more ...