Era
20th century
19th century
113
21st century
25
1857-1924
11
1945-
11
1933-1945
10
1885-1930
9
18th century
8
1865-1939
7
1882-1941
7
1888-1965
6
1918-1945
6
1871-1918
4
1960-
4
1564-1616
3
1843-1916
3
1914-1940
3
1918-1933
3
1945-89
3
1989-
3
Cultural Revolution, 1966-1976
3
Mau Mau Emergency, 1952-1960
3
1789-1945
2
1885-1972
2
1903-1950
2
1905-1980
2
1906-1989
2
1910-1936
2
1912-1949
2
1922-
2
1922-1945
2
1928-
2
1945-1953
2
1945-1958
2
1945-1960
2
1945-1990
2
1961-1970
2
1976-
2
1979-
2
1980-
2
1990-
2
20TH CENTURY
2
German occupation, 1940-1945
2
Revolution, 1917-1921
2
1265-1321
1
1644-1912
1
1760-1820
1
1775-1817
1
1788-1900
1
1809-1882
1
more ...