Era
20th century
525
21st century
245
19th century
227
1900-1999
216
2000-2099
99
1964-1985
83
1800-1899
78
1980-
55
2003-
55
1945-
51
1985-
51
1985-2002
50
18th century
41
1991-2000
41
17th century
38
1930-1945
31
1800-1999
30
1900-2099
28
1982-
28
Empire, 1822-1889
28
Since 1980
28
1954-1964
25
1981-1990
23
1918-
22
2001-2010
22
1961-1970
21
1763-1822
19
1889-1930
19
Since 1985
19
1822-1889
17
1945-1954
17
1921-1997
16
Since 2003
16
To 1822
16
1883-1954
15
Since 1945
15
16th century
14
1600-1699
13
Civil War, 1861-1865
13
Dutch Conquest, 1624-1654
13
Revolution, 1964
13
1945-1989
12
1948-
12
1989-
12
1945-1964
11
1971-1980
11
2008-2009
11
1911-1979
10
1948-1980
10
1955-
10
more ...