Era
20th century
53
Civil War, 2011-
38
21st century
29
1900-1999
25
1910-1946
24
Revolution, 1910-1920
20
Tiananmen Square Incident, 1989
14
1976-2002
13
2000-
13
19th century
12
1945-1990
10
1949-1976
10
1965-
9
1893-1976
8
1985-
8
1991-
8
Civil War, 1983-2005
8
Cultural Revolution, 1966-1976
6
Demonstrations, 2010-
6
1789-1797
5
1945-1955
5
1946-
5
1951-
5
Darfur Conflict, 2003-
5
To 1950
5
1867-1910
4
18th century
4
1936-1953
4
1945-
4
1979-
4
1981-
4
2003-
4
2011-
4
Protests, 2011-
4
Since 1900
4
1856-1924
3
1881-1885
3
1913-1921
3
1913-1994
3
1913-2006
3
1924-
3
1933-1945
3
1949-
3
1969-
3
1977-1981
3
1989-1993
3
2000-2099
3
2002-
3
2012
3
2017-2020
3
more ...