Historical Period
20th century
173
19th century
68
21st century
31
Civil War, 1861-1865
17
1989-
12
1993-
10
1900-1999
7
1946-
7
1945-1989
6
Darfur Conflict, 2003-
6
17th century
5
1809-1865
5
18th century
5
Civil War, 1936-1939
5
Civil War, 1994-
5
1941-1955
4
1960-
4
Tiananmen Square Incident, 1989
4
1860
3
1879-1970
3
1880-1973
3
1897-1995
3
1951-
3
1964-
3
1968-1998
3
1993-2001
3
2002-
3
Revolution, 1775-1783
3
1830-1906
2
1837-1880
2
1838-1927
2
1857-1861
2
1861-1865
2
1881-1973
2
1897-1932
2
1902?-1936
2
1909-1994
2
1910-1987
2
1911-1963
2
1912-1960
2
1929
2
1945-1953
2
1945-1991
2
1963-1969
2
1967-
2
1970-
2
1979-1997
2
1981-1989
2
1983-
2
2001-2009
2
more ...