Era
20th century
369
1900-1999
118
21st century
112
19th century
67
1945-1989
62
1945-
58
1981-1989
43
Since 1900
39
Civil War, 2011-
37
1991-
28
18th century
27
1933-1945
25
1910-1946
22
1989-
22
1783-1865
20
2000-2099
20
Since 1945
20
17th century
18
1990-
18
Revolution, 1910-1920
18
1960-
17
Since 1991
17
1945-1953
16
1946-
16
2000-
16
Since 2000
16
1918-1945
15
1973-1993
15
1998-
15
1917-1948
14
1945-1990
14
1959-1990
14
1980-
14
1760-1820
13
1882-1945
13
1976-2002
13
Civil War, 1975-1990
13
1952-1998
12
1979-
12
Charles II, 1660-1685
12
Revolution, 1775-1783
12
Tiananmen Square Incident, 1989
12
1900-2099
11
1948-
11
1953-1961
11
1969-
11
1974-1977
11
Revolution, 1959
11
1649-1660
10
1800-1899
10
more ...